Serological testing of patient shows HBsAg, IgM Anti-HBc and HBeAg positive . The patient has-: (A) Chronic hepatitis B with low infectivity, (B) Acute hepatitis B with high infectivity, (C) Chronic hepatitis with high in fectivity, (D) Acute on chronic hepatitis
Answer is B. HBs Ag is the first marker appear in the blood after infection. Anti HBc is the earliest antibody seen in blood. HBeAg indicates infectivity REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.546&547