hepatitis A

hepatitis-a的词性：
n.（名词）

1. A form of hepatitis caused by an RNA virus that does not persist in the blood serum and is transmitted by ingestion of infected food and water. The disease has a shorter incubation and generally milder symptoms than hepatitis B.Also called infectious hepatitis
甲型肝炎：由不存留在血清内的核糖核酸病毒引起，而通过吃下受病毒污染的食物和水而受到传染的一种肝炎。该病潜伏期较短，总的说来，症状比乙型肝炎轻也作 infectious hepatitis