Hepatitis Viruses Flashcards
What Hepatitis Viruses are enveloped?
Hep B
Hep C
Hep delta
What hepatitis viruses did we cover?
Hep A Hep B Hep C Hepatitis delta Hep E
What Hep virus(es) are (+)ssRNA?
Hep A
Hep C
Hep E
What Hep virus(es) are (-)ssRNA?
Hep delta
What Hep virus(es) are circular dsDNA
Hep B
What Hep viruses are spread fecal-oral?
Hep A
Hep E
What Hep viruses are spread sexually?
All of them
What Hep viruses are spread vertically?
Hep B
Hep C
Hep delta
What Hep viruses are spread parenterally (blood)?
All of them
What’s unique about Hep B
vaccine exists
may be chronic or acute, acute more common
What’s unique about Hep D
subviral agent (rare in human viruses)
requires active HBV infection
RNA genome encodes a single protein
What’s unique about Hep C?
milder signs and symptoms than HBV
chronic is more common than for HBV
no vaccine
What’s unique about Hep A?
more severe in adults than children
resolves approximately 8 weeks post infection
vaccine available
shortest incubation period
For what Hep virus(es) are vaccines available
Hep A
Hep B
What’s unique about the Hep E virus?
similar to HAV
infection can be life threatening for pregnant women
no vaccine
second shortest incubation period (21-42 days)
What Hep virus(es) doesn’t cause chronic infections?
Hep A
Hep E
Describe Hepatitis
infection of the liver
infects and replicates in hepatocytes
liver damage from host and virus
may be chronic or acute