Hepatitis A and hepatitis B are viral liver infections. They have similar symptoms but different modes of transmission and potential complications. A person can prevent both viruses through ...

Hepatitis is the medical term for inflammation (swelling) in your liver. Hepatitis B is liver inflammation caused by infection with the hepatitis B virus (HBV). Inflammation can damage your liver.

There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious and have similar symptoms, including fever, chills, and body aches.