Hepatitis A and Undercooked Shellfish - Topic Overview
Eating raw shellfish, especially oysters, may put you at risk for
Bivalves such as oysters and clams filter large amounts of water when
feeding. If shellfish are living in water that has been contaminated with stool
containing the hepatitis A virus, the shellfish may carry the virus. People
then may get it when they eat the raw or undercooked shellfish.
Chronic hepatitis C is a long-lasting liver infection caused by the hepatitis C virus. During the first 6 months of the infection, it's called acute hepatitis. For most people with acute hepatitis C -- up to 80% -- their illness moves on to a chronic, lasting hepatitis C infection.