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病毒性乙型肝炎广泛分布于全球,乙型肝炎病毒的感染者在全世界约有3亿人,我国约有 1.2 亿人,其中约 20％最终发展为慢性肝炎,有的进一步发展为肝硬化或肝癌。
Viral hepatitis B is widely distributed in the world. There are about 300 million people infected with hepatitis B virus in the world. About 120 million people in our country are infected with hepatitis B virus, of which about 20% eventually develop chronic hepatitis and some further develop cirrhosis Or liver cancer.