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World Health Organization. (2021) Hepatitis A factsheet. Geneva: World Health Organization.

External website: https://www.who.int/news-room/fact-sheets/detail/h...

Key facts

  • Hepatitis A is an inflammation of the liver that can cause mild to severe illness.
  • The hepatitis A virus (HAV) is transmitted through ingestion of contaminated food and water or through direct contact with an infectious person.
  • Almost everyone recovers fully from hepatitis A with a lifelong immunity. However, a very small proportion of people infected with hepatitis A could die from fulminant hepatitis.
  • The risk of hepatitis A infection is associated with a lack of safe water and poor sanitation and hygiene (such as contaminated and dirty hands).
  • A safe and effective vaccine is available to prevent hepatitis A.
Item Type
Publication Type
Drug Type
July 2021
World Health Organization
Corporate Creators
World Health Organization
Place of Publication
Accession Number
HRB (Electronic Only)

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