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甲肝是由于感染了甲肝病毒而引起的传染性强、危害极大的病毒性肝炎,甲肝主要通过粪—口途径传播。因此,预防甲肝必须注意饮食卫生,避免进食生水及未煮熟的海产品等不干净的食物。甲肝3大时期的症状表现黄疸前期起病急,有畏寒、发热、全身乏力、食欲不振、厌油、恶心、呕吐、腹痛、肝区痛、腹泻、尿色逐渐加深,至本期末呈浓茶状。少数病例以发热、头痛、上呼吸道症状等为主要表现。本期持续1~21日,平均5~7日。
Hepatitis A is a highly contagious and harmful viral hepatitis caused by the infection of Hepatitis A, which is transmitted mainly through the fecal-oral route. Therefore, the prevention of hepatitis A must pay attention to food hygiene, avoid eating raw and undercooked seafood and other dirty food. Symptoms of the three major stages of hepatitis A onset of acute jaundice, chills, fever, malaise, loss of appetite, tired of oil, nausea, vomiting, abdominal pain, liver pain, diarrhea, urine gradually deepened, to the end of this period was thick Tea-like. A small number of cases with fever, headache, upper respiratory symptoms as the main performance. The current period of 1 to 21 days, an average of 5 to 7 days.