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Hepatitis

Hepatitis is an inflammation of the liver, most commonly caused by a viral infection. There are five main hepatitis viruses, referred to as types A, B, C, D and E.

Hepatitis A and E are typically caused by ingestion of contaminated food or water. Hepatitis B, C and D usually occur as a result of parenteral contact with infected body fluids (e.g. from blood transfusions or invasive medical procedures using contaminated equipment). Hepatitis B is also transmitted by sexual contact.

The symptoms of hepatitis include jaundice (yellowing of the skin and eyes), dark urine, extreme fatigue, nausea, vomiting and abdominal pain.

RELATED SITES

- International travel and health

FACT SHEETS

- Hepatitis E
- Hepatitis B
- Hepatitis C
- Injection safety: background

RELATED LINKS

- Hepatitis
- Hepatitis B vaccine
- Vaccine research: hepatitis C
- Vaccine research: hepatitis E
- Key messages for health education: Hepatitis E
- Water-related diseases: hepatitis A and E
- Vaccine safety: hepatitis B
- Diagnostics: hepatitis B test kit evaluations
- Diagnostics: hepatitis C test kit evaluations
- Immunization surveillance, assessment and monitoring: hepatitis B

FEATURES

- Online Q&A: How do you get hepatitis B? How can I protect myself?


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