This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Active replication in Hepatitis B in fection is indicated by - 
Select and explain. 
A. HBeAg, B. HBsAg, C. HBcAg, D. Anti-HBsAg
A: HBeAg
Answer: A: HBeAg 
Explanation: Circulating HBeAg Indicate of active intrahepatic replication REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.547