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乙型病毒性肝炎(乙肝)是我国当前和今后相当长时期内危害人民健康、制约社会经济发展、影响社会和谐稳定的重要因素,是很多家庭因病致贫、因病返贫的一个重要原因。接种乙肝疫苗(Hepatitis B
Hepatitis B virus (Hepatitis B) is an important factor that jeopardizes people\'s health, restricts social and economic development and affects social harmony and stability in our country for a long time to come. It is also an important reason why many families become sick because of illness and return to poverty. Hepatitis B vaccination