Hepatitis A blood tests check for immunoglobulin M (IgM) and immunoglobulin G (IgG) antibodies. An IgG-positive and IgM-negative result may suggest immunity to hepatitis A. A doctor may request a ...

A person cannot contract hepatitis A more than once. Once someone has contracted hepatitis A, their body makes antibodies that provide lifelong protection against the virus. Hepatitis A is a liver ...

NEW YORK (Reuters Health) - Hepatitis A infections, usually transmitted via contaminated food, can cause debilitating illness, but protection afforded by the hepatitis A vaccine last more than a ...

Hepatitis B testing can show whether you have a current or past HBV infection and whether you have antibodies from a hepatitis B vaccine. Hepatitis B is a viral infection caused by the hepatitis B ...

Hepatitis A and B are the most common vaccine-preventable diseases for travelers; nevertheless, up to 50% of confirmed cases of hepatitis A and B in Europe are still acquired during travel. [1] This ...

The CDC acting director, Health and Human Services Deputy Secretary Jim O’Neill, is expected to sign off on the change. The Centers for Disease Control and Prevention's vaccine advisory committee ...