What will be (+) during the Window Period?
IgM (anti-Hbc)
What will be (+) with an Acute Infection?
HbsAg
IgM (anti-Hbc)
HbeAg
What will be (+) with a Prior Infection?
HbsAb
IgG (anti-Hbc)
What will be (+) with a Chronic (inactive) infection?
HbsAg
IgG (anti-Hbc)
What will be (+) with a Chronic (active) infection?
HbsAg
IgM
IgG
HbeAg
What will be (+) with Immunization?
HbsAb (anti-Hbs)
when will HBV DNA be (+)?
Active infections!
(+) IgM
Window Period
(+) IgM, HbsAg, HbeAg
Acute infection
(+) IgG, HbsAb
Prior Infection
(+) HbsAg, IgG
Chronic (inactive) infection
(+) HbsAg, IgM, IgG, HBeAg
Chronic (active) infection
(+) HBsAb
Immunization