Who is at increased risk for hepatitis A virus infection?

Some groups are at a higher risk of hepatitis A virus infection: certain groups of Alaskan Natives, Pacific Islanders, and Native Americans; those who are institutionalized and workers at those institutions; men who have sex with men; users of intravenous drugs; certain laboratory workers; some religious communities; and people who travel to countries where hepatitis A virus is common.

Hepatitis A virus infection is an inflammation of the liver caused by the hepatitis A virus. This condition is transmitted in stool and usually is the result of poor hygiene or contaminated water or food. The disease is much more common in developing countries than the United States. Although these infections usually clear up without treatment, liver failure and even death sometimes can occur.

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