What is hemorrhagic fever?
Hemorrhagic fever is a severe illness characterized by fever and bleeding, often associated with viral infections such as Dengue Hemorrhagic Fever (DHF).
What is Encephalitis?
Encephalitis is inflammation of the brain, which can lead to confusion, bleeding tendency, shock, muscle pain, and joint pain.
1/231
p.22
Dengue Virus and Dengue Fever

What is hemorrhagic fever?

Hemorrhagic fever is a severe illness characterized by fever and bleeding, often associated with viral infections such as Dengue Hemorrhagic Fever (DHF).

p.22
Dengue Virus and Dengue Fever

What is Encephalitis?

Encephalitis is inflammation of the brain, which can lead to confusion, bleeding tendency, shock, muscle pain, and joint pain.

p.34
Opportunistic Viruses Causing Hepatitis

What does lens opacification indicate in congenital rubella syndrome?

It indicates the presence of cataracts, which is a common ocular manifestation of congenital rubella syndrome.

p.33
Opportunistic Viruses Causing Hepatitis

What are the congenital abnormalities associated with Rubella during pregnancy?

Congenital abnormalities associated with Rubella during pregnancy include mental retardation in newborns, heart defects like patent ductus arteriosus, eye issues such as cataracts, and brain problems including deafness.

p.5
Hepatitis A Virus (HAV)

What does the presence of IgM in the HAV serological test indicate?

It indicates that the patient is currently infected with Hepatitis A virus and may present with jaundice.

p.18
Opportunistic Viruses Causing Hepatitis

What are the symptoms of Hand-foot-and-mouth disease?

Symptoms include sores in the mouth, rash on the hands and feet, pain, and difficulty eating.

p.26
Rabies Virus and Prevention

What type of nucleic acid does the Rabies Virus contain?

The Rabies Virus contains RNA as its nucleic acid.

p.14
Poliovirus and Poliomyelitis

What is the pathogenesis of Poliovirus?

Poliovirus replicates in the oropharynx and small intestine, spreads through the bloodstream to the central nervous system, and replicates in motor neurons located in the anterior horn of the spinal cord, leading to cell death and paralysis of the muscles innervated by those neurons.

p.4
Hepatitis A Virus (HAV)

What is the incubation period (IP) for Hepatitis A Virus?

The incubation period for Hepatitis A Virus is 3 to 4 weeks.

p.4
Hepatitis A Virus (HAV)

Is there a chronic carrier state for Hepatitis A Virus?

No, there is no chronic carrier state for Hepatitis A Virus.

p.12
Poliovirus and Poliomyelitis

What is Poliovirus?

Poliovirus is a single-stranded RNA (ssRNA), non-enveloped virus that has three serologic types (polio virus 1, 2, and 3) and primarily infects humans and non-human primates.

p.27
Rabies Virus and Prevention

What is the incubation period for rabies?

The incubation period for rabies can range from 2 weeks to 2 years.

p.52
Opportunistic Viruses Causing Hepatitis

What is a hybrid of both VINS?

A hybrid of both VINS refers to a combination of two different viral strains that can lead to severe diseases.

p.34
Opportunistic Viruses Causing Hepatitis

What is Congenital Rubella Syndrome?

A condition resulting from maternal rubella infection during pregnancy, leading to various birth defects including cataracts, heart defects, and growth retardation.

p.19
Dengue Virus and Dengue Fever

What is the significance of Arboviruses?

Arboviruses are significant because they are responsible for a range of diseases, some of which can be severe or fatal, and they are prevalent in many regions worldwide.

p.18
Opportunistic Viruses Causing Hepatitis

Can Hand-foot-and-mouth disease be fatal?

While it is generally not fatal, severe cases can lead to complications such as dehydration.

p.21
Dengue Virus and Dengue Fever

What is viremia in the context of arboviruses?

Viremia refers to the presence of viruses in the bloodstream, which can vary in concentration and duration among different hosts.

p.60
Opportunistic Viruses Causing Hepatitis

What is Rotavirus?

Rotavirus is a double-stranded RNA (dsRNA) virus that is a leading cause of severe diarrhea in children.

p.32
Opportunistic Viruses Causing Hepatitis

What causes congenital rubella?

Congenital rubella is caused by the transmission of the virus through the placenta during pregnancy.

p.26
Rabies Virus and Prevention

What is the structure of the Rabies Virus?

The Rabies Virus has a spiral or helical structure.

p.4
Hepatitis A Virus (HAV)

What is the significance of the vaccine for Hepatitis A Virus?

The significance of the vaccine for Hepatitis A Virus is that it can be easily made due to the virus's stability.

p.31
Opportunistic Viruses Causing Hepatitis

What is Nipah virus?

Nipah virus is a paramyxovirus that causes encephalitis, primarily in South Asian countries such as Bangladesh, Malaysia, and Singapore.

p.18
Opportunistic Viruses Causing Hepatitis

What is Hand-foot-and-mouth disease?

A viral infection that causes sores in the mouth and a rash on the hands and feet, which can lead to dehydration and pain, making it difficult to eat.

p.40
HIV/AIDS and Opportunistic Infections

What does Measles IgG indicate?

Measles IgG indicates past infection and immunity to measles.

p.21
Dengue Virus and Dengue Fever

What role do humans play as reservoirs in arboviral infections?

Humans can have high-level viremia and act as reservoirs of the virus, allowing for the potential transmission of diseases like dengue and yellow fever.

p.32
Opportunistic Viruses Causing Hepatitis

What is the Rubella virus?

Rubella virus is a single-stranded RNA (ssRNA) virus that causes rubella, also known as German measles or 3-day measles.

p.62
Rabies Virus and Prevention

What are zoonotic viral diseases?

Zoonotic viral diseases are infections that are naturally transmitted between vertebrate animals and humans.

p.48
Opportunistic Viruses Causing Hepatitis

What is the Influenza virus?

Influenza is a member of the orthomyxovirus family, characterized as a single-stranded RNA virus with eight segments and an enveloped structure.

p.59
HIV/AIDS and Opportunistic Infections

What is highly active antiretroviral therapy (HAART)?

A treatment regimen for HIV/AIDS that uses a combination of at least three antiretroviral drugs to effectively suppress the virus.

p.37
Opportunistic Viruses Causing Hepatitis

Why is Measles considered a serious disease in certain populations?

Measles is a serious disease in malnourished children and patients with deficient cell-mediated immunity, such as AIDS patients.

p.46
Opportunistic Viruses Causing Hepatitis

What are the symptoms of Ebola virus infection?

Symptoms include fever, headache, vomiting, diarrhea, and bleeding into the gastrointestinal tract.

p.36
HIV/AIDS and Opportunistic Infections

What is the significance of IgM in Rubella Immunity?

IgM antibodies appear during the initial immune response to rubella and typically last for about 6 weeks.

p.25
Rabies Virus and Prevention

What percentage of individuals infected with the Rabies Virus die before symptoms start?

More than 99.99% of individuals infected with the Rabies Virus die before symptoms start.

p.42
Opportunistic Viruses Causing Hepatitis

What is the external appearance of swollen parotid glands in mumps (parotitis)?

The external appearance of swollen parotid glands in mumps (parotitis) typically includes noticeable enlargement of the cheeks and jaw area, leading to a characteristic 'chipmunk' appearance.

p.50
HIV/AIDS and Opportunistic Infections

What is the internal ribonucleoprotein in influenza viruses?

The internal ribonucleoprotein is the group-specific antigen that is present in influenza A, B, and C viruses.

p.5
Hepatitis A Virus (HAV)

What is the HAV serological test?

A blood test used to detect the presence of Hepatitis A virus antigens and antibodies, particularly IgM, indicating recent infection.

p.39
Opportunistic Viruses Causing Hepatitis

What is a vesicular rash and how does it differ from the rash seen in Measles?

A vesicular rash consists of small blisters filled with fluid, unlike the maculo-papular rash of Measles, which does not have vesicles.

p.12
Poliovirus and Poliomyelitis

What are the potential effects of Poliovirus infection?

Poliovirus infection can cause permanent deformity, such as paralysis, by attacking motor neurons and leading to flaccid paralysis.

p.21
Dengue Virus and Dengue Fever

What are dead-end hosts in the context of arboviruses?

Dead-end hosts are organisms, such as humans, that do not transmit the virus to others due to low concentration of the virus in their blood and brief duration of viremia.

p.2
Hepatitis A Virus (HAV)

What is Hepatitis A virus (HAV)?

Hepatitis A virus (HAV) is a virus that causes viral hepatitis A, which is an acute liver disease.

p.12
Poliovirus and Poliomyelitis

What is the host range for Poliovirus?

Poliovirus has a narrow host range, primarily infecting humans and non-human primates like apes and monkeys.

p.53
HIV/AIDS and Opportunistic Infections

What is the method for lab diagnosis of Influenza viruses using nasal or throat samples?

Nasal or throat washings, swabs, or sputum are used to detect viral antigens through rapid testing.

p.13
HIV/AIDS and Opportunistic Infections

What is atrophy?

Atrophy is the wasting away or decrease in size of an organ or tissue, often due to disease, lack of use, or malnutrition.

p.52
Opportunistic Viruses Causing Hepatitis

What does HPA stand for in the context of influenza?

HPA stands for Highly Pathogenic Avian influenza, which is a severe form of influenza that can affect birds and may lead to significant disease in humans.

p.31
Opportunistic Viruses Causing Hepatitis

Is there a specific treatment or vaccine for Nipah virus?

There is no specific treatment or vaccine for Nipah virus.

p.60
Opportunistic Viruses Causing Hepatitis

What is Calicivirus?

Calicivirus is a type of virus that is single-stranded RNA (ssRNA) and is known to cause diarrheal diseases.

p.58
HIV/AIDS and Opportunistic Infections

What are opportunistic infections in the context of HIV/AIDS?

Opportunistic infections are infections that occur more frequently and are more severe in individuals with weakened immune systems, such as those with HIV/AIDS. These infections can be caused by various pathogens, including fungi, bacteria, and viruses.

p.6
Hepatitis A Virus (HAV)

What is the definition of proper hygiene in HAV prevention?

Proper hygiene in HAV prevention includes practices such as sewage disposal and hand-washing after bowel movements.

p.61
Hepatitis B Virus (HBV)

What are oncogenic viruses?

Oncogenic viruses are viruses that can cause cancer in humans or animals by altering the host cell's genetic material.

p.24
Dengue Virus and Dengue Fever

What is NS1 antigen detection in the context of dengue diagnosis?

NS1 antigen detection is a laboratory diagnostic method used to identify the presence of the dengue virus in the blood, particularly during the early stages of infection.

p.4
Hepatitis A Virus (HAV)

What is Hepatitis A Virus (HAV)?

Hepatitis A Virus (HAV) is a single-stranded RNA virus that is transmitted via the fecal-oral route, primarily affecting children and causing symptoms like fever, jaundice, and nausea. It does not lead to chronic infection or predispose individuals to liver cancer.

p.4
Hepatitis A Virus (HAV)

What is the mode of transmission (MOT) for Hepatitis A Virus?

The mode of transmission for Hepatitis A Virus is the fecal-oral route.

p.19
Dengue Virus and Dengue Fever

What are Arboviruses?

Arboviruses are a group of viruses that are transmitted by arthropods, primarily mosquitoes and ticks, and can cause various diseases in humans and animals.

p.27
Rabies Virus and Prevention

What is the mode of transmission (MOT) of rabies?

Rabies is transmitted through the bite of infected animals, contamination of wounds or cuts with virus-containing saliva, inhalation in caves inhabited by bats, and corneal transplants, especially in children.

p.56
HIV/AIDS and Opportunistic Infections

What does MOT stand for in the context of HIV transmission?

MOT stands for Modes of Transmission, which includes sexually, bloodborne, and mother to child.

p.31
Opportunistic Viruses Causing Hepatitis

What is the natural reservoir of Nipah virus?

The natural reservoir of Nipah virus appears to be fruit bats.

p.5
Hepatitis A Virus (HAV)

What does the presence of antibody G in the HAV serological test suggest?

It suggests that the patient has previously been infected with Hepatitis A virus and has developed immunity.

p.37
Opportunistic Viruses Causing Hepatitis

What is Measles?

Measles is a disease characterized by a maculopapular rash, primarily occurring in childhood, caused by a single serotype of an enveloped ssRNA virus from the paramyxovirus family.

p.37
Opportunistic Viruses Causing Hepatitis

What type of virus causes Measles?

Measles is caused by a single serotype of an enveloped ssRNA virus.

p.58
HIV/AIDS and Opportunistic Infections

What is the role of CD4 helper cells in HIV/AIDS?

CD4 helper cells are a type of white blood cell that play a crucial role in the immune system by helping to coordinate the immune response. In HIV/AIDS, the virus specifically targets and destroys these cells, leading to a weakened immune system.

p.46
Opportunistic Viruses Causing Hepatitis

What is the Ebola virus?

A ssRNA virus that is a member of the Filoviridae family, known for causing severe hemorrhagic fever.

p.58
HIV/AIDS and Opportunistic Infections

How can cats be a source of opportunistic infections in HIV/AIDS patients?

Cats can be a source of Toxoplasma gondii, a parasite that can cause opportunistic infections in individuals with HIV/AIDS, particularly when their immune system is severely weakened.

p.51
HIV/AIDS and Opportunistic Infections

What is antigenic shift in influenza viruses?

Antigenic shift is a major change in the antigenicity of influenza viruses caused by the reassortment of segments of the genome RNA.

p.22
Dengue Virus and Dengue Fever

What are the symptoms of Chikungunya?

Chikungunya is characterized by fever with myalgias, arthralgias, and a nonhemorrhagic rash.

p.24
Dengue Virus and Dengue Fever

What is the primary prevention method for dengue fever?

The primary prevention methods for dengue fever include the use of insecticides, draining stagnant water, and personal protection measures such as using mosquito repellent and wearing protective clothing.

p.14
Poliovirus and Poliomyelitis

What happens to motor neurons during Poliovirus infection?

Motor neurons in the anterior horn of the spinal cord replicate the virus, and their death results in paralysis of the muscles innervated by those neurons.

p.39
Opportunistic Viruses Causing Hepatitis

What does the term 'red rash' refer to in the context of Measles?

The term 'red rash' refers to the distinctive red spots that appear on the skin during a Measles infection, which are not vesicular and do not contain fluid.

p.50
HIV/AIDS and Opportunistic Infections

What are hemagglutinin and neuraminidase in influenza viruses?

Hemagglutinin and neuraminidase are type-specific antigens; antibodies against hemagglutinin neutralize the infectivity of the virus and prevent disease.

p.40
HIV/AIDS and Opportunistic Infections

What is Measles IgM in the blood?

Measles IgM is an antibody that indicates an acute infection of measles.

p.55
HIV/AIDS and Opportunistic Infections

What is the glycoprotein spike in HIV?

The glycoprotein spike is a protein structure on the surface of the HIV virus that facilitates the virus's entry into host cells by binding to CD4 receptors.

p.59
HIV/AIDS and Opportunistic Infections

What is HIV RNA detection by RT-PCR?

A test that measures the amount of HIV RNA in the blood, used to assess viral load and monitor the effectiveness of treatment.

p.2
Hepatitis B Virus (HBV)

What is Hepatitis B virus (HBV)?

Hepatitis B virus (HBV) is a virus that causes viral hepatitis B, which can lead to chronic liver disease.

p.32
Opportunistic Viruses Causing Hepatitis

How is postnatal rubella transmitted?

Postnatal rubella is transmitted by respiratory droplets.

p.45
Opportunistic Viruses Causing Hepatitis

What is the causal organism of MERS?

MERS coronavirus (MERS-CoV), which binds to CD-26 on the respiratory mucosa.

p.9
Hepatitis D Virus (HDV)

What is the Hepatitis D virus (HDV)?

The Hepatitis D virus (HDV) is the etiologic agent of delta hepatitis, which causes infection only in the presence of Hepatitis B virus (HBV) infection.

p.63
Opportunistic Viruses Causing Hepatitis

What is the Smallpox virus?

A highly contagious virus that causes smallpox, known for its potential use as a bioweapon due to its lethality and lack of immunity in the population.

p.15
Poliovirus and Poliomyelitis

What is inapparent poliomyelitis?

Inapparent poliomyelitis refers to an asymptomatic infection where the individual does not exhibit noticeable symptoms despite being infected with the poliovirus.

p.51
HIV/AIDS and Opportunistic Infections

What is antigenic drift in influenza viruses?

Antigenic drift is a minor change in the antigenicity of influenza viruses that occurs due to mutations in the genome RNA.

p.4
Hepatitis A Virus (HAV)

What are the clinical features of Hepatitis A Virus infection?

The clinical features of Hepatitis A Virus infection include fever, jaundice, and nausea.

p.4
Hepatitis A Virus (HAV)

Can Hepatitis A Virus lead to liver cancer?

Hepatitis A Virus does not predispose individuals to liver cancer or hepatocellular carcinoma.

p.40
HIV/AIDS and Opportunistic Infections

What is the prevention method for measles?

The prevention method for measles is a live, attenuated vaccine administered at 15 months of age (MMR).

p.55
HIV/AIDS and Opportunistic Infections

What is the significance of the envelope in HIV?

The envelope of HIV is a lipid membrane that surrounds the virus, derived from the host cell, and contains glycoproteins essential for the virus's ability to infect host cells.

p.59
HIV/AIDS and Opportunistic Infections

What is HIV DNA detection by PCR?

A laboratory test that detects the genetic material of HIV in the blood, used for diagnosing HIV infection, especially in infants.

p.25
Rabies Virus and Prevention

What is the Rabies Virus?

The Rabies Virus is a member of the Rhabdoviridae family, characterized as a single-stranded RNA virus that is enveloped and causes acute infections of the central nervous system, which are almost always fatal.

p.36
HIV/AIDS and Opportunistic Infections

What is Rubella Immunity?

Rubella immunity refers to the body's ability to resist rubella infection, typically achieved through vaccination or previous infection, resulting in the production of antibodies.

p.53
HIV/AIDS and Opportunistic Infections

What blood tests are used for the lab diagnosis of Influenza viruses?

Direct fluorescent antibody tests and PCR (Polymerase Chain Reaction) are used for blood testing.

p.45
Opportunistic Viruses Causing Hepatitis

What are the laboratory diagnostic methods for MERS?

Antibody detection and nucleic acid detection by PCR.

p.9
Hepatitis D Virus (HDV)

What does HD Ag/delta Ag indicate in early acute HDV infection?

HD Ag/delta Ag (+) indicates the presence of Hepatitis D antigen in early acute HDV infection.

p.17
Opportunistic Viruses Causing Hepatitis

How is the virus causing Hand - foot - and - mouth disease transmitted?

The virus can be recovered from stool, pharyngeal secretions, and vesicular fluid, and can contaminate surfaces, leading to outbreaks.

p.54
HIV/AIDS and Opportunistic Infections

What is the significance of the gp120 gene in HIV?

Differences in the base sequence of the gp120 gene allow for the subdivision of HIV into subtypes called clades.

p.48
Opportunistic Viruses Causing Hepatitis

What is the host range of the Influenza virus?

The Influenza virus has a wide host range, affecting humans, poultry, horses, and pigs.

p.62
Rabies Virus and Prevention

What is Influenza A H5N1?

Influenza A H5N1 is a highly pathogenic avian influenza virus that primarily affects poultry and can be transmitted to humans.

p.17
Opportunistic Viruses Causing Hepatitis

Is there a vaccine for Hand - foot - and - mouth disease?

No, there is currently no vaccine available for Hand - foot - and - mouth disease.

p.8
Hepatitis C Virus (HCV)

What does a decrease in viral load indicate during HCV treatment?

A decrease in viral load indicates that the treatment is working effectively against the Hepatitis C Virus (HCV).

p.10
Hepatitis E Virus (HEV)

What preventive measures can be taken against Hepatitis E Virus (HEV)?

Preventive measures against Hepatitis E Virus (HEV) include practicing the '5 F's' (food, fluids, fingers, flies, feces) and health education.

p.3
Opportunistic Viruses Causing Hepatitis

What is Yellow fever virus?

Yellow fever virus is an arbovirus transmitted by mosquitoes that can cause sporadic hepatitis and is associated with jaundice.

p.23
Dengue Virus and Dengue Fever

What is the role of Aedes mosquitoes in Dengue transmission?

Aedes mosquitoes are the primary vectors for Dengue virus transmission and can survive in dry conditions for up to 8 months.

p.61
Hepatitis B Virus (HBV)

How are human tumor viruses related to liver cancer?

Human tumor viruses, such as Hepatitis B Virus (HBV), can lead to liver cancer by causing chronic infection and inflammation, which may result in cellular changes and malignancy.

p.24
Dengue Virus and Dengue Fever

What does IgM antibody detection indicate in dengue diagnosis?

IgM antibody detection indicates a recent dengue virus infection, as these antibodies typically appear in the blood several days after the onset of symptoms.

p.33
Opportunistic Viruses Causing Hepatitis

What is Rubella?

Rubella is an acute febrile illness characterized by a rash and posterior auricular and suboccipital lymphadenopathy, particularly affecting children and young adults.

p.12
Poliovirus and Poliomyelitis

What is the mode of transmission (MOT) for Poliovirus?

The mode of transmission for Poliovirus is by the fecal-oral route.

p.59
HIV/AIDS and Opportunistic Infections

What is HIV antibody detection?

A laboratory test that identifies antibodies produced by the immune system in response to HIV infection, typically used for diagnosis.

p.18
Opportunistic Viruses Causing Hepatitis

What complications can arise from Hand-foot-and-mouth disease?

Complications can include dehydration due to pain and difficulty eating.

p.37
Opportunistic Viruses Causing Hepatitis

What is the mode of transmission (MOT) for Measles?

Measles is transmitted by respiratory droplets.

p.2
Hepatitis C Virus (HCV)

What is Hepatitis C virus (HCV)?

Hepatitis C virus (HCV) is a virus that causes viral hepatitis C, often leading to chronic liver infection.

p.62
Rabies Virus and Prevention

What is the Rabies virus?

The Rabies virus is a viral infection that causes rabies, primarily transmitted through bites from infected animals such as dogs, foxes, and bats.

p.3
Opportunistic Viruses Causing Hepatitis

What is Cytomegalovirus?

Cytomegalovirus is a virus that can cause sporadic hepatitis and is known for its potential to cause congenital abnormalities when transmitted from mother to child.

p.60
Opportunistic Viruses Causing Hepatitis

What is Arenavirus?

Arenavirus is a type of virus that is single-stranded RNA (ssRNA) and can cause various diseases, including hemorrhagic fevers.

p.6
Hepatitis A Virus (HAV)

What is active immunization for Hepatitis A?

Active immunization for Hepatitis A involves the use of an inactivated HAV vaccine to stimulate the immune system.

p.8
Hepatitis C Virus (HCV)

What is the purpose of viral load testing in HCV?

Viral load testing measures the amount of HCV in the blood, which helps assess the severity of the infection and the effectiveness of treatment.

p.23
Dengue Virus and Dengue Fever

What is Dengue infection?

Dengue infection is the most common vector-borne viral disease caused by the Dengue virus, which has four serotypes: DEN-1, DEN-2, DEN-3, and DEN-4.

p.44
HIV/AIDS and Opportunistic Infections

What is the mode of transmission (MOT) for COVID-19?

COVID-19 is transmitted through aerosol and droplets infection, and it can also be airborne.

p.43
Opportunistic Viruses Causing Hepatitis

How is SARS transmitted?

SARS is transmitted by respiratory aerosol and contact, and can also cause nosocomial (hospital) infections.

p.46
Opportunistic Viruses Causing Hepatitis

How is the Ebola virus transmitted?

Transmission occurs through contact with the patient's blood or secretions.

p.36
HIV/AIDS and Opportunistic Infections

How does one attack of rubella affect immunity?

One attack of rubella confers lifelong immunity, meaning that the body will be protected from future infections.

p.46
Opportunistic Viruses Causing Hepatitis

What is the primary prevention method for Ebola virus infection?

Proper handling of the patient's secretions and blood is crucial for prevention.

p.23
Dengue Virus and Dengue Fever

What are the types of Dengue?

There are two types of Dengue: regular Dengue and severe Dengue.

p.43
Opportunistic Viruses Causing Hepatitis

What animal is associated with SARS as a reservoir?

The civet cat is associated with SARS as a reservoir.

p.41
Opportunistic Viruses Causing Hepatitis

How is MUMPS diagnosed in the lab?

MUMPS is diagnosed by detecting IgM antibodies in the blood during acute infection.

p.24
Dengue Virus and Dengue Fever

Is there an antiviral therapy available for dengue fever?

No, there is currently no antiviral therapy available for dengue fever.

p.24
Dengue Virus and Dengue Fever

What role does the dengue vaccine play in prevention?

The dengue vaccine is used to help prevent dengue fever by providing immunity against the virus.

p.39
Opportunistic Viruses Causing Hepatitis

What is a maculo-papular rash in relation to Measles?

A maculo-papular rash is a characteristic skin manifestation of Measles, presenting as flat red spots that may become raised.

p.34
Opportunistic Viruses Causing Hepatitis

What is splenomegaly?

An enlargement of the spleen, which can occur in various infections, including congenital rubella syndrome.

p.59
HIV/AIDS and Opportunistic Infections

What is p24 antigen detection?

A laboratory test that detects the presence of the p24 protein of the HIV virus, often used in early diagnosis of HIV infection.

p.31
Opportunistic Viruses Causing Hepatitis

Who is at high risk for Nipah virus infection?

People who have contact with pigs are at high risk for Nipah virus infection.

p.55
HIV/AIDS and Opportunistic Infections

What does it mean that HIV has a segmented genome?

HIV has a segmented genome, meaning its genetic material is divided into distinct segments, which can contribute to genetic diversity and adaptability of the virus.

p.17
Opportunistic Viruses Causing Hepatitis

What is Hand - foot - and - mouth disease?

A viral illness characterized by oral and pharyngeal ulcerations, vesicular rash of the palms and soles, which may spread to the arms and legs, with vesicles healing without crusting.

p.2
Hepatitis D Virus (HDV)

What is Hepatitis D virus (HDV)?

Hepatitis D virus (HDV) is a virus that causes viral hepatitis D, which only occurs in those infected with HBV.

p.25
Rabies Virus and Prevention

How is the Rabies Virus transmitted to humans?

The Rabies Virus is transmitted to humans primarily through the bite of a rabid animal.

p.43
Opportunistic Viruses Causing Hepatitis

What is the causal organism of SARS?

SARS-CoV (Severe Acute Respiratory Syndrome Coronavirus) is the virus responsible for causing SARS.

p.8
Hepatitis C Virus (HCV)

What is genotyping in the context of HCV?

Genotyping is the process of determining the specific strain of Hepatitis C Virus (HCV) to guide treatment decisions.

p.63
Opportunistic Viruses Causing Hepatitis

What is the Marburg virus?

A virus that causes Marburg virus disease, characterized by severe hemorrhagic fever, and is regarded as a potential bioweapon due to its high fatality rate.

p.6
Hepatitis A Virus (HAV)

What does the acronym 5F represent in Hepatitis A prevention?

The acronym 5F stands for Food, Finger, Fly, Faces, which are key factors in the transmission of Hepatitis A.

p.53
HIV/AIDS and Opportunistic Infections

Who is particularly at risk for severe Influenza complications?

Elderly individuals, patients with heart or lung diseases, and immunocompromised patients are at higher risk.

p.41
Opportunistic Viruses Causing Hepatitis

What is the natural host for MUMPS?

The only natural host for MUMPS is humans.

p.44
HIV/AIDS and Opportunistic Infections

What condition does the dysregulation of fluid balance caused by COVID-19 lead to?

The dysregulation of fluid balance contributes to edema in the alveolar space, resulting in diffuse edema.

p.15
Poliovirus and Poliomyelitis

What are the laboratory methods for diagnosing poliomyelitis?

Laboratory diagnosis of poliomyelitis includes isolation of the virus and detection of viral RNA by PCR.

p.7
Hepatitis C Virus (HCV)

Why is it difficult to create a vaccine for Hepatitis C?

The difficulty in creating a vaccine for Hepatitis C arises from the presence of multiple genotypes and subgenotypes, which are constantly changing in their gene and protein structures.

p.30
Rabies Virus and Prevention

What does acrophobia/hydrophobia indicate in rabies patients?

These symptoms reflect the neurological effects of rabies, where patients may exhibit fear of heights or difficulty swallowing water.

p.56
HIV/AIDS and Opportunistic Infections

Who are considered high-risk individuals for HIV transmission?

High-risk individuals include people with sexually transmitted diseases, especially those with ulcerative lesions such as syphilis, chancroid, and genital herpes, men who have sex with men, intravenous drug users, and hemophiliacs.

p.12
Poliovirus and Poliomyelitis

How does Poliovirus resist environmental conditions?

Poliovirus is resistant to stomach acid, allowing it to survive the gastrointestinal tract.

p.45
Opportunistic Viruses Causing Hepatitis

What is Middle East respiratory syndrome (MERS)?

A viral respiratory illness caused by the MERS coronavirus (MERS-CoV), first identified in 2012 in Saudi Arabia, characterized by severe atypical pneumonia.

p.37
Opportunistic Viruses Causing Hepatitis

Who are the natural hosts for the Measles virus?

Humans are the natural hosts for the Measles virus.

p.58
HIV/AIDS and Opportunistic Infections

What is the significance of fungi from pigeons in HIV/AIDS?

Fungi from pigeons, such as Cryptococcus neoformans, can cause serious opportunistic infections in individuals with HIV/AIDS due to their compromised immune systems.

p.55
HIV/AIDS and Opportunistic Infections

What is the role of the capsid in HIV?

The capsid is a protein shell that encases the viral RNA and enzymes, providing protection and playing a crucial role in the virus's replication process.

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HIV/AIDS and Opportunistic Infections

What does AIDS stand for?

AIDS stands for Acquired Immunodeficiency Syndrome, which is the final stage of HIV infection characterized by a severely weakened immune system.

p.44
HIV/AIDS and Opportunistic Infections

What is the causal organism of COVID-19?

SARS CoV-2 is the virus responsible for causing COVID-19.

p.45
Opportunistic Viruses Causing Hepatitis

What type of disease is MERS considered?

A zoonotic disease, meaning it can be transmitted from animals to humans, specifically linked to camels.

p.3
Opportunistic Viruses Causing Hepatitis

What are Enteroviruses?

Enteroviruses are a group of viruses that can cause sporadic hepatitis, often associated with gastrointestinal infections.

p.7
Hepatitis C Virus (HCV)

What is Hepatitis C Virus (HCV)?

Hepatitis C Virus (HCV) is a Flavivirus, belonging to the genus hepacivirus, characterized by six genotypes and multiple subgenotypes, often present in the blood of an infected individual simultaneously.

p.15
Poliovirus and Poliomyelitis

What is nonparalytic poliomyelitis?

Nonparalytic poliomyelitis is a form of poliomyelitis that presents with symptoms similar to abortive poliomyelitis but does not lead to paralysis.

p.43
Opportunistic Viruses Causing Hepatitis

What type of infections can SARS cause in hospitals?

SARS can cause nosocomial infections, which are infections acquired in a hospital setting.

p.9
Hepatitis D Virus (HDV)

How can Hepatitis B vaccination affect Hepatitis D?

Hepatitis B vaccination can prevent Hepatitis D infection, as HDV needs HBV for its replication.

p.30
Rabies Virus and Prevention

What are Negri bodies?

Intracytoplasmic inclusions found in neurons that are characteristic of rabies infection, used for histologic staining in diagnosis.

p.23
Dengue Virus and Dengue Fever

What is severe Dengue?

Severe Dengue is a potentially lethal form of Dengue that can lead to shock and hemorrhage.

p.23
Dengue Virus and Dengue Fever

What conditions favor the growth of Aedes mosquitoes?

Warmer regions with suitable weather conditions favor the growth of Aedes mosquitoes, which are responsible for transmitting Dengue.

p.63
Opportunistic Viruses Causing Hepatitis

What is the Influenza virus?

A virus that causes respiratory infections and can be used as a potential bioweapon due to its ability to spread rapidly and mutate.

p.43
Opportunistic Viruses Causing Hepatitis

What is Severe Acute Respiratory Syndrome (SARS)?

A viral respiratory illness caused by the SARS coronavirus (SARS-CoV), which originated in China in 2002 and can spread through respiratory aerosols and contact.

p.62
Rabies Virus and Prevention

What is Nipah virus?

Nipah virus is a zoonotic virus that can cause encephalitis and is primarily transmitted from bats and pigs to humans.

p.53
HIV/AIDS and Opportunistic Infections

What are the antiviral treatments for Influenza viruses?

Oseltamivir (Tamiflu) and zanamivir (Relenza) are the antiviral medications used for treatment.

p.6
Hepatitis A Virus (HAV)

What is passive immunization in the context of HAV?

Passive immunization for HAV involves the administration of immune serum globulin to provide immediate, temporary immunity.

p.15
Poliovirus and Poliomyelitis

What is abortive poliomyelitis?

Abortive poliomyelitis is a clinical type of poliomyelitis characterized by mild symptoms such as fever and sore throat, but without neurological involvement.

p.23
Dengue Virus and Dengue Fever

What are the serotypes of the Dengue virus?

The Dengue virus has four serotypes: DEN-1, DEN-2, DEN-3, and DEN-4.

p.54
HIV/AIDS and Opportunistic Infections

What are the three key enzymes associated with HIV?

The three key enzymes associated with HIV are reverse transcriptase, integrase, and protease.

p.48
Opportunistic Viruses Causing Hepatitis

What is the significance of animal viruses in relation to the Influenza virus?

Animal viruses are the source of the RNA segments that make up the Influenza virus.

p.15
Poliovirus and Poliomyelitis

What is paralytic poliomyelitis?

Paralytic poliomyelitis is the most severe form of poliomyelitis, resulting in muscle weakness and paralysis due to the virus affecting the nervous system.

p.41
Opportunistic Viruses Causing Hepatitis

How is MUMPS transmitted?

MUMPS is transmitted via airborne routes from person to person.

p.41
Opportunistic Viruses Causing Hepatitis

What are the complications of MUMPS?

Complications of MUMPS include orchitis in postpubertal males, which can lead to sterility if bilateral, and meningitis.

p.30
Rabies Virus and Prevention

Why is immediate cleaning of the wound important in rabies prevention?

It helps to reduce the viral load and the risk of rabies infection after exposure to the virus.

p.57
HIV/AIDS and Opportunistic Infections

What is HIV?

HIV (Human Immunodeficiency Virus) is a virus that attacks the immune system, specifically the CD4 cells, leading to a gradual decline in immune function and potentially resulting in AIDS.

p.48
Opportunistic Viruses Causing Hepatitis

What are the two types of spikes found on the Influenza virus envelope?

The envelope of the Influenza virus is covered with two different types of spikes: hemagglutinin and neuraminidase.

p.54
HIV/AIDS and Opportunistic Infections

What are the two types of HIV?

HIV-1 and HIV-2 are the two types of Human Immunodeficiency Virus that cause AIDS.

p.63
Opportunistic Viruses Causing Hepatitis

What is the Ebola virus?

A virus that causes severe hemorrhagic fever and is considered a potential bioweapon because of its high mortality rate and ability to spread through bodily fluids.

p.57
HIV/AIDS and Opportunistic Infections

How is HIV transmitted?

HIV is transmitted through contact with certain body fluids from a person with HIV, including blood, semen, vaginal fluids, rectal fluids, and breast milk.

p.36
HIV/AIDS and Opportunistic Infections

What role does IgG play in Rubella Immunity?

IgG antibodies persist for life and provide long-term immunity against rubella after infection or vaccination.

p.41
Opportunistic Viruses Causing Hepatitis

What type of virus causes MUMPS?

MUMPS is caused by an enveloped ssRNA virus.

p.3
Opportunistic Viruses Causing Hepatitis

What is Epstein-Barr virus?

Epstein-Barr virus is a virus that can cause sporadic hepatitis and is also known for its association with infectious mononucleosis.

p.30
Rabies Virus and Prevention

What is the role of fluorescent antibody in rabies diagnosis?

A method used to detect rabies virus in brain tissue by using antibodies that fluoresce when bound to the virus.

p.43
Opportunistic Viruses Causing Hepatitis

Who is commonly affected by SARS?

SARS commonly occurs in adults.

p.46
Opportunistic Viruses Causing Hepatitis

What is a significant complication of Ebola virus infection?

Complications include shock and disseminated intravascular coagulation (DIC).

p.15
Poliovirus and Poliomyelitis

What is the role of the polio vaccine?

The polio vaccine, which includes both live and killed vaccines, is crucial for preventing poliomyelitis by inducing immunity against the poliovirus.

p.7
Hepatitis C Virus (HCV)

What is the chronic carrier rate of Hepatitis C compared to Hepatitis B?

The chronic carrier rate of Hepatitis C is higher than that of Hepatitis B Virus (HBV) infection.

p.54
HIV/AIDS and Opportunistic Infections

What is HIV?

HIV (Human Immunodeficiency Virus) is a retrovirus that causes AIDS by infecting and killing helper (CD4) T lymphocytes and macrophages, leading to a loss of cell-mediated immunity.

p.10
Hepatitis E Virus (HEV)

What is Hepatitis E Virus (HEV)?

Hepatitis E Virus (HEV) is a virus that is transmitted through fecal-oral or waterborne routes, causing large epidemics primarily in Asia, North and West Africa, and Mexico. It can lead to fulminant hepatitis, especially in pregnant women, but does not result in chronic carrier states and currently has no vaccine.

p.3
Opportunistic Viruses Causing Hepatitis

What is Herpes simplex virus?

Herpes simplex virus is a virus that can lead to sporadic hepatitis and is primarily known for causing oral and genital herpes.

p.60
Opportunistic Viruses Causing Hepatitis

What is Norovirus?

Norovirus, also known as Norwalk virus, is a single-stranded RNA (ssRNA) virus that causes gastroenteritis and is highly contagious.

p.62
Rabies Virus and Prevention

What is SARS CoV?

SARS CoV is a coronavirus responsible for Severe Acute Respiratory Syndrome (SARS), transmitted from civet cats to humans.

p.57
HIV/AIDS and Opportunistic Infections

What is the incubation period for HIV?

The incubation period for HIV can vary, but symptoms may appear within 2 to 4 weeks after infection, known as acute HIV infection.

p.60
Opportunistic Viruses Causing Hepatitis

What is the Rotavirus vaccine?

The Rotavirus vaccine is a live, attenuated vaccine (Rotarix) that contains one strain, and a live reassortant vaccine (Rotateq) that contains five strains, used to prevent rotavirus infections.

p.6
Hepatitis A Virus (HAV)

How long does it take for the Hepatitis A vaccine to work?

The Hepatitis A vaccine takes approximately 1 to 2 weeks to become effective.

p.3
Opportunistic Viruses Causing Hepatitis

What is Rubella virus?

Rubella virus is a virus that can cause sporadic hepatitis and is known for causing congenital rubella syndrome when transmitted from mother to child.

p.44
HIV/AIDS and Opportunistic Infections

What is a significant consequence of the edema caused by COVID-19?

The edema in the alveolar space leads to hypoxia.

p.3
Opportunistic Viruses Causing Hepatitis

What is the significance of jaundice in hepatitis?

Jaundice is a clinical sign characterized by yellowing of the skin and eyes, often indicating liver dysfunction, which can occur in cases of hepatitis.

p.8
Hepatitis C Virus (HCV)

What does Anti HCV/HCV ab indicate?

It indicates a current or past infection of Hepatitis C Virus (HCV).

p.17
Opportunistic Viruses Causing Hepatitis

Which viruses are associated with Hand - foot - and - mouth disease?

Coxsackievirus A16, B1, enterovirus 71, and Coxsackievirus A6, which has emerged as a cause of severe cases.

p.32
Opportunistic Viruses Causing Hepatitis

What are the differential diagnoses for rubella?

The differential diagnoses for rubella include measles and dengue.

p.2
Hepatitis E Virus (HEV)

What is Hepatitis E virus (HEV)?

Hepatitis E virus (HEV) is a virus that causes viral hepatitis E, typically transmitted through contaminated water.

p.32
Opportunistic Viruses Causing Hepatitis

What congenital abnormalities are associated with rubella?

Congenital rubella can lead to various congenital abnormalities, which were first discovered by a German ophthalmologist.

p.10
Hepatitis E Virus (HEV)

What is the impact of Hepatitis E Virus (HEV) during pregnancy?

Hepatitis E Virus (HEV) can cause fulminant hepatitis in pregnant women, posing significant risks such as mortality for both the mother and child, and can lead to stillbirth and jaundice.

p.25
Rabies Virus and Prevention

Why is the Rabies Virus considered a major public health problem?

The Rabies Virus is considered a major public health problem due to its widespread presence among animal reservoirs and the high fatality rate associated with the infection.

p.10
Hepatitis E Virus (HEV)

Is there a vaccine for Hepatitis E Virus (HEV)?

There is currently no vaccine available for Hepatitis E Virus (HEV).

p.25
Rabies Virus and Prevention

What is the recommended preventive measure for Rabies Virus exposure?

The recommended preventive measure for Rabies Virus exposure is to administer a vaccine to individuals who have been bitten by potentially rabid animals, such as dogs or bats.

p.7
Hepatitis C Virus (HCV)

How is Hepatitis C primarily transmitted?

Hepatitis C is mainly transmitted through blood transfusions and from mother to child during delivery.

p.7
Hepatitis C Virus (HCV)

Is there a vaccine available for Hepatitis C?

There is currently no vaccine available for Hepatitis C, but antiviral drugs are used for treatment.

p.30
Rabies Virus and Prevention

What is human rabies immune globulin?

A preparation of antibodies used to provide immediate passive immunity against rabies after potential exposure.

p.30
Rabies Virus and Prevention

What is the significance of tetanus immunization in rabies prevention?

It is recommended to ensure protection against tetanus, especially in cases of animal bites that may also pose a risk for rabies.

p.10
Hepatitis E Virus (HEV)

What are the transmission methods of Hepatitis E Virus (HEV)?

Hepatitis E Virus (HEV) is transmitted through fecal-oral or waterborne routes.

p.41
Opportunistic Viruses Causing Hepatitis

What is MUMPS?

MUMPS is a disease characterized by swelling of the parotid glands, caused by an enveloped ssRNA virus.

p.46
Opportunistic Viruses Causing Hepatitis

What is the mortality rate associated with Ebola virus?

The mortality rate can reach up to 100%.

p.17
Opportunistic Viruses Causing Hepatitis

What is a notable feature of the vesicles in Hand - foot - and - mouth disease?

The vesicles heal without crusting.

p.9
Hepatitis D Virus (HDV)

What is required for HDV to cause infection?

HDV requires the presence of Hepatitis B virus (HBV) to cause infection.

p.7
Hepatitis C Virus (HCV)

What are the potential consequences of chronic Hepatitis C infection?

Chronic Hepatitis C infection can lead to chronic infection and hepatocellular carcinoma (HCC), with a higher chronic carrier rate than Hepatitis B Virus (HBV) infection.

p.62
Rabies Virus and Prevention

What is JBE virus?

JBE virus, or Japanese B encephalitis virus, is transmitted by mosquitoes and can infect horses and pigs, leading to encephalitis in humans.

p.6
Hepatitis A Virus (HAV)

What role does health education play in HAV prevention?

Health education is crucial for prevention and control of Hepatitis A by informing the public about hygiene and vaccination.

p.30
Rabies Virus and Prevention

What is the purpose of the rabies vaccine?

An inactivated vaccine used to prevent rabies infection after exposure to the virus.

p.7
Hepatitis C Virus (HCV)

What is the impact of immune response on Hepatitis C infection?

The immune response to Hepatitis C can lead to liver inflammation, causing hepatitis, even when the viral load is low.

p.48
Opportunistic Viruses Causing Hepatitis

What types of outbreaks can the Influenza virus cause?

The Influenza virus can cause both epidemic and pandemic outbreaks.

p.9
Hepatitis D Virus (HDV)

What does HD Ab/Anti HD signify?

HD Ab/Anti HD indicates past or present infection with Hepatitis D virus (HDV).

p.53
HIV/AIDS and Opportunistic Infections

What types of vaccines are available for Influenza prevention?

There are killed and live vaccines, including quadrivalent vaccines that contain two A strains and two B strains.

p.8
Hepatitis C Virus (HCV)

What are Sofosbuvir and Ravidasvir used for?

Sofosbuvir and Ravidasvir are antiviral medications used to treat Hepatitis C Virus (HCV) infections.

p.63
Opportunistic Viruses Causing Hepatitis

What does WMD stand for?

WMD stands for Weapon of Mass Destruction, which refers to weapons that can cause significant harm to a large number of people, including biological agents.

p.57
HIV/AIDS and Opportunistic Infections

What is the role of antibodies in HIV?

Antibodies are proteins produced by the immune system in response to HIV infection; their presence is used to diagnose HIV through antibody tests.

p.36
HIV/AIDS and Opportunistic Infections

What is the MM R vaccine?

The MM R vaccine is a live attenuated vaccine that protects against measles, mumps, and rubella, stimulating an immune response without causing the diseases.

p.36
HIV/AIDS and Opportunistic Infections

What is the only antigenic type of rubella?

Rubella has only one antigenic type, which means there is only one strain of the virus responsible for the disease.

p.60
Opportunistic Viruses Causing Hepatitis

What is Enterovirus?

Enterovirus is a group of viruses that are single-stranded RNA (ssRNA) and can cause a variety of illnesses, including respiratory infections and gastrointestinal issues.

p.30
Rabies Virus and Prevention

What is the PCR assay in the context of rabies diagnosis?

A laboratory technique used to amplify and detect the presence of rabies virus genetic material in brain tissue.

p.44
HIV/AIDS and Opportunistic Infections

What receptor does SARS CoV-2 bind to on respiratory tract epithelium?

SARS CoV-2 binds to angiotensin-converting enzyme 2 (ACE-2) on the surface of respiratory tract epithelium.

p.23
Dengue Virus and Dengue Fever

Where is Dengue commonly found?

Dengue is found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas.

p.54
HIV/AIDS and Opportunistic Infections

How does HIV affect the immune system?

HIV infects and kills helper (CD4) T lymphocytes, leading to a loss of cell-mediated immunity and an increased risk of opportunistic infections.

p.8
Hepatitis C Virus (HCV)

Is there a vaccine for Hepatitis C Virus (HCV)?

No, there is currently no vaccine available for Hepatitis C Virus (HCV).

p.41
Opportunistic Viruses Causing Hepatitis

What vaccine is used for the prevention of MUMPS?

The MMR vaccine is used for the prevention of MUMPS.

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