A medical student examines a virus containing double-stranded DNA and an envelope, transmitted through blood. Which virus is being studied?
Q1. A medical student examines a virus containing double-stranded DNA and an envelope, transmitted through blood. Which virus is being studied?
Answer: Hepatitis B
Explanation: Hepatitis B is the only DNA virus among the common hepatitis types; Hepatitis A is a tempting wrong choice but is RNA.