Which hepatitis type is primarily transmitted through blood and body fluids and has a vaccine?

• A. Type A
• B. Type B
• C. Type C
• D. Type D

Answer: (B)

The main idea here is how these hepatitis viruses spread and what can be prevented with vaccination. Hepatitis B is primarily transmitted through blood and body fluids, including sharing needles, sexual contact, and from mother to child at birth. It is uniquely preventable with a safe and effective vaccine, making vaccination a key tool in stopping transmission and reducing chronic liver disease from this virus.

Hepatitis A spreads mainly through the fecal-oral route, such as contaminated food or water, not through blood and body fluids, so it doesn’t fit the transmission aspect of the question even though a vaccine exists. Hepatitis C is primarily spread through blood, but there is no vaccine available yet, so it doesn’t meet the “has a vaccine” criterion. Hepatitis D requires Hepatitis B to infect a person and is preventable indirectly by vaccinating against Hepatitis B; however, there isn’t a separate standalone vaccine for Hepatitis D, so the best fit for both transmission and vaccine availability is Hepatitis B.