Hepatitis Flashcards
1
Q
HepBsAg +
Anti-HBs -
A
Infected
2
Q
HepBsAg -
Anti-HBs +
A
Immune due to vaccine
3
Q
Hepatitis B e antigen (HBeAg)
A
Marker of HBV replication and infectivity.
Presence is associated with high levels of HBV DNA in serum and higher rates of vertical transmission
4
Q
Risk of vertical transmission Hep B?
A
From HBsAg + mothers to infants is as high as 90% without active (vax) and passive (HBIG) immunization
5
Q
Maternal screening:
A
Testing for HBsAg should be performed on all women at the first prenatal visit
6
Q
The principal risk factors for HCV transmission?
A
IV drug abuse
Blood transfusion
7
Q
Risk of vertical transmission Hep C?
A
5%
25% when co-infection with HIV
