Synthesis of Therapeutic Agents - Medical Science

Q1:

Recombinant vaccine for Hepatitis B virus has been synthesized against which of the following antigen?

A Viral core antigen (HBcAg)

B Viral surface antigen (HBsAg)

C e antigen (HBeAg)

D All of the above

ANS:B - Viral surface antigen (HBsAg)

Why surface antigen? Explain.