Health topics



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. Types B and C lead to chronic disease in hundreds of millions of people and, together, are the most common cause of liver cirrhosis and cancer.

Member States of the Western Pacific Region are committed to preventing mother-to-child transmission of hepatitis B virus through vaccination and have adopted a Regional Resolution to reduce chronic hepatitis B infection among children

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