Acute infection of hepatitis B virus is diagnosed by:
IgM antibody of Hbs Ag
IgM antibody of Hbc Ag
IgG antibody of Hbs Ag
IgG antibody of Hbc Ag
Ans. is 'b' IgM antibody of HBcAg (Ref. November 2001, Micro, Harrison 17/e p 1943-44,1933-34 & 16/e, p 1823-24).
Virology