Hepatitis A Vaccine
hepatitis A vaccine
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.
Last updated: 2014-02-26
Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)