This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
A thirty year man presented with nausea, fever and jaundice of 5 days duration. The biochemical tests revealed a bilirubin of 6.7 mg/dl (conjugated 5.0 mg/dl) with SGOT/SGPT (AST/ALT) of 1230/ 900 IU/ml. The serological tests showed presence of HBsAg, IgM anti HBc and HBe Ag. The most likely diagnosis - 
Select and explain. 
A. Chronic hepatitis B infection with high infectivity, B. Acute hepatitis B infection with high infectivity, C. Chronic hepatitis B infection with low infectivity, D. Acute hepatitis B infection with low infectivity
B: Acute hepatitis B infection with high infectivity
Answer: B: Acute hepatitis B infection with high infectivity 
Explanation: None