Immunization against hepatitis B also protects against which of the following infection?

Review the verified answer and explanation for this SPSC – Sindh Public Service Commission past-paper question on CampusFin.

Immunization against hepatitis B also protects against which of the following infection? Answer: hepatitis D

Hepatitis D virus requires hepatitis B surface antigen to complete its infectious cycle. Preventing hepatitis B infection through vaccination therefore also prevents establishment of hepatitis D infection, even though there is no separate routine hepatitis D vaccine.