甲型肝炎甲型病毒性肝炎简称甲型肝炎,是由甲型肝炎病毒(HAV)引起的一种急性传染病。临床上表现为急性起病,有畏寒、发热、食欲减退、恶心、疲乏、肝肿大及肝功能异常。部分病例出现黄疸,无症状感染病例较常见,一般不转为慢性和病原携带状态。甲型肝炎传染源通常是急性患者和亚临床感染者,病人自潜伏末期至发病后10天传染性最强,粪——口途径是其主要传播 Hepatitis A virus Hepatitis A virus is a type of acute infectious disease caused by Hepatitis A virus (HAV). Clinical manifestations of acute onset, chills, fever, loss of appetite, nausea, fatigue, hepatomegaly and abnormal liver function. Some cases of jaundice, asymptomatic infections are more common, generally do not go to chronic and pathogen-carrying status. The source of hepatitis A infection is usually acute and subclinical infections, the patient from the late latent to 10 days after the onset of the most contagious, fecal - oral route is its main transmission