Single Biggest Cancer Dictionary in the World

What is hepatitis A vaccine?

Pronunciation: /ˌhɛpəˈtaɪtəs ə ˌvækˈsin/

hepatitis A vaccine

Definition

A vaccine used to prevent infection with the hepatitis A virus, which causes a serious liver disease. The vaccine is made of a weakened form of the virus that cannot cause disease but causes the body’s immune system to make antibodies that destroy the hepatitis A virus.