Hepatitis B serology Flashcards
1
Q
Surface antigen (HBsAg)
A
active infection
2
Q
E antigen (HBeAg)
A
marker of viral replication and implies high infectivity
3
Q
Core antibodies (HBcAb)
A
implies past or current infection = caught
4
Q
Surface antibody (HBsAb)
A
implies vaccination or past infection
5
Q
Hepatitis B virus DNA (HBV DNA)
A
this is a direct count of the viral load
6
Q
What would you expect in Natural immunity?
A
surface antibody
core antibody
7
Q
Vaccinated
A
surface antibody
8
Q
Active HBV
A
surface antigen and HBV DNA
9
Q
Infectivity
A
E antigen
10
Q
Chronic HBV
A
surface antigen and HBV DNA
