人们在体检后常发现血清转氨酶(ALT)超过正常值,于是人们就开始接种乙肝疫苗。许多人认为:“我常在外面饭馆吃饭,所以要打乙肝疫苗。”“我常到外地出差,所以要打乙肝疫苗。” 以上种种对肝炎的认识是不够全面和科学的。因为,病毒性肝炎分别由甲、乙、丙、丁、戊、庚等多型肝炎病毒引起。而“病从口入”是病人的粪便污染了双手、饮水和食物,病毒被人吃了进去。经消化道传播,只有甲型肝炎和戊型肝炎,要防止病从口入。种甲肝疫苗能够预防甲肝(戊 People often find serum aminotransferase (ALT) more than normal after their physical examination, so people begin to inoculate hepatitis B vaccine. Many people think: “I often eat outside restaurants, so fight hepatitis B.” “I often travel to other places, so fight hepatitis B.” The above understanding of hepatitis is not comprehensive and scientific enough. Because, viral hepatitis by A, B, C, D, E, G and other hepatitis caused by the virus. The “sick from the mouth” is the patient’s excrement contaminated hands, water and food, the virus was eaten into it. Spread through the digestive tract, only Hepatitis A and Hepatitis E, to prevent disease from the mouth. Hepatitis A vaccine can prevent hepatitis A (E