Which of the following statements is/are correct ?

Options

A. Hepatitis B virus (HBV) can be transmitted through blood transfusion, sesual contact, tears, intravenous drug abuse, tatooing, ear and nose pierceing, sharing of razors, etc.
B. Hepatitis B virus vaccine is the second generation vaccine produced from transgenic yeast by recombinant DNA technology.
C. Hepatitis B virus vaccine is the first commercially available human vaccine produced by genetic engineering.
D. All of these.

Answer

D