Hepatitis Flashcards
5 hepatitis viruses
A, B, C, D and E
which viruses are transferred through faecal oral route
A and E
which viruses only occur acutely with no chronic phase
A and E
which viruses can have chronic stages
B, C and D
why don’t A and E cause chronic disease
because they are self-limiting infections
death toll to viral hepatitis each year
1 million
in HAV and HEV what do the immunoglobulins indicate about the infection
IgM = active infection IgG = recovery or vaccination
symptoms of hepatitis
fever, malaise, nausea
hepatomegaly
pain
is there a vaccination against HEV
no
is there a vaccination against HAV
yes - given to chronic liver disease, lab workers and gay men
what type of people is HEV a particular concern in
pregnant women
ways of acquiring infection of HBV, HCV and HDV
sex, drug use
what condition is associated with HBV infection
hepatocellular carcinoma
4 antigens in HBV
surface, e, core and DNA
what state is the virus in if e and core and DNA antigens are detected
active replication