论文部分内容阅读
甲型肝炎是由甲型肝炎病毒引起的急性消化道传染病,主要通过生活密切接触,经粪口途径传播,从感染至发病潜伏期通常为30天,主要症状表现为发热、食欲不振、恶心、乏力等,以转氨酶上升为特征,伴发热、皮肤黄疸、尿色如浓茶色。病毒破坏肝脏的合成、代谢及解毒功能,严重者可引起肝性脑病、消化道出血、肝肾综合征。病人在潜伏期后期至急性期早期可排出大量病毒,有强烈的传染性。隐性感染者由于无临床症状,不被注意和发现而更容易传播病毒,一旦水源或食物被污染,可造成局部爆发。对于儿童,预防甲肝可选择接种甲肝疫苗。
Hepatitis A is an acute gastrointestinal disease caused by Hepatitis A virus. Hepatitis A virus is mainly transmitted through manure mouth through close contact with life. The incubation period from infection to onset is usually 30 days. The main symptoms are fever, loss of appetite, nausea, Fatigue, etc., to increase transaminase is characterized by fever, skin jaundice, urine color such as strong brown. Virus damage the liver’s synthesis, metabolism and detoxification, severe cases can cause hepatic encephalopathy, gastrointestinal bleeding, hepatorenal syndrome. Patients in the late incubation period to the early acute phase can emit a large number of viruses, a strong contagious. Hidden infections are more likely to spread the virus due to their absence of clinical symptoms, unnoticeable and detectable, and local outbreaks if water or food is contaminated. For children, prevention of hepatitis A can choose to vaccinate hepatitis A vaccine.