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  1. Hepatitis - World Health Organization (WHO)

    Sep 1, 2019 · Hepatitis is an inflammation of the liver. The condition can be self-limiting or can progress to fibrosis (scarring), cirrhosis or liver cancer. Hepatitis viruses are the most common …

  2. About hepatitis - World Health Organization (WHO)

    Nov 29, 2024 · Hepatitis is an inflammation of the liver that is caused by a variety of infectious viruses and non-infectious agents leading to a range of health problems, including severe liver …

  3. Hepatitis - World Health Organization (WHO)

    Apr 9, 2024 · HBV and HCV infection can become chronic and cause cirrhosis and liver cancer. Data from 187 countries shows that viral hepatitis is a major public health challenge of this …

  4. Hepatitis - World Health Organization (WHO)

    Jul 22, 2013 · Hepatitis is an inflammation of the liver that is caused by a variety of infectious viruses and non-infectious agents leading to a range of health problems, including severe liver …

  5. Hepatitis A - World Health Organization (WHO)

    Feb 12, 2025 · Hepatitis A: WHO fact sheet on hepatitis A provides key facts, transmission, who is at risk, treatment, prevention, immunization, WHO response.

  6. Hepatitis E - World Health Organization (WHO)

    Apr 10, 2025 · Every year there are an estimated 20 million hepatitis E infections, over 3 million symptomatic cases of hepatitis E, and 56 600 hepatitis E-related deaths.

  7. Hepatitis WPRO - World Health Organization (WHO)

    Jul 25, 2025 · Hepatitis is an inflammation of the liver. The condition can be self-limiting or can progress to fibrosis (scarring), cirrhosis or liver cancer. Hepatitis viruses are the most common …

  8. Immunization, Vaccines and Biologicals

    Hepatitis B Several hepatitis B vaccines are available internationally. Both monovalent and products with multiple antigens are highly immunogenic and vaccination in a series of three …

  9. Hepatitis D - World Health Organization (WHO)

    Jul 25, 2025 · Key facts Hepatitis D virus (HDV) is a virus that requires hepatitis B virus (HBV) for its replication. Chronic HDV occurs only in people living with HBV. HDV affects globally nearly …

  10. Hepatitis - World Health Organization (WHO)

    Nov 27, 2009 · Hepatitis B and C can also be transmitted through sexual contact, although this is less common with hepatitis C. Symptoms include jaundice (yellowing of the skin and eyes), …