Podcast
Questions and Answers
What is Reyes’ syndrome associated with?
What is Reyes’ syndrome associated with?
- Flu and chickenpox; use of aspirin (correct)
- Type 1 diabetes and unvaccinated children
- HIV and intravenous drug use
- Asthma and dust exposure
What unique characteristic helps in the quick identification of Smallpox?
What unique characteristic helps in the quick identification of Smallpox?
- It has asymptomatic cases that require testing.
- It can be spread by mosquitoes.
- Symptoms are not easily visible until late stages.
- Obvious symptoms allow for quick diagnosis and quarantine. (correct)
Which human herpes virus is primarily associated with cold sores?
Which human herpes virus is primarily associated with cold sores?
- HHV-1 (correct)
- HHV-3
- HHV-2
- HHV-4
What type of vaccine is available for adenoviruses?
What type of vaccine is available for adenoviruses?
Which disease is notably linked with the Hepatitis B virus?
Which disease is notably linked with the Hepatitis B virus?
Flashcards
Reye's syndrome
Reye's syndrome
A rare, serious illness, often following a viral infection (like flu or chickenpox), characterized by inflammation throughout the body, particularly affecting the liver and brain.
Smallpox eradication
Smallpox eradication
Successful elimination of smallpox through a combination of factors, including a highly effective vaccine, no animal reservoirs, and clear symptoms allowing for quick identification and quarantine.
Human Herpes Virus (HHV)
Human Herpes Virus (HHV)
A group of viruses causing various infections, including cold sores (HHV-1) and genital herpes (HHV-2).
Mononucleosis symptoms
Mononucleosis symptoms
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Adenovirus infections
Adenovirus infections
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Study Notes
Reyes' Syndrome
- Linked to flu and chickenpox, and aspirin use
- Causes massive inflammation throughout the body, liver damage, and brain swelling
Viral Components
- Viruses are composed of a capsid, envelope and nucleic acid
Smallpox
- Causes severe illness with a 20% mortality rate
- Effectively eradicated due to: low cost, stable vaccine, no animal reservoirs, and detectable symptoms.
- Can only be spread via direct contact
Herpes Viruses
- HHV-1 causes cold sores, spread via contact
- HHV-2 causes genital herpes, spread through sexual contact
- Asymptomatic in children
- 95% of adults have antibodies, with 20% secreting antibodies orally
Mononucleosis
- Characterized by fatigue, sore throat, swollen lymph nodes, and an enlarged spleen in children
- 95% of adults have antibodies
- Virus replicates in resting memory B cells
- May be related to multiple sclerosis, Hodgkin's lymphoma and nasopharyngeal cancer
Adenoviruses
- Cause the common cold
- Affects the respiratory tract via endocytosis
- Causes symptoms like cough, sneezing, sore throat, headache and malaise
- Vaccine only available for military personnel
Hepadnaviruses
- Enveloped DNA viruses
- Hepatitis B virus (HBV) is a type of Hepadnavirus
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