National Institutes of Health
- The primary NIH organization for research on Hepatitis A is the National Institute of Diabetes and Digestive and Kidney Diseases
Hepatitis A is one type of hepatitis - a liver disease - caused by the hepatitis A virus (HAV). The disease is spread primarily through food or water contaminated by stool from an infected person. You can get HAV from
HAV can cause swelling of the liver, but it rarely causes lasting damage. You may feel as if you have the flu, or you may have no symptoms at all. It usually gets better on its own after several weeks.
The hepatitis A vaccine can prevent HAV. Healthy habits also make a difference. Wash your hands thoroughly before preparing food, after using the toilet or after changing a diaper. International travelers should be careful about drinking tap water.
NIH: National Institute of Diabetes and Digestive and Kidney Diseases
References and abstracts from MEDLINE/PubMed (National Library of Medicine)