食物和水中戊型肝炎病毒的污染及致病状况

The contamination of hepatitis E virus in foods or water and its infection in humans

戊型肝炎病毒(hepatitis E virus,HEV)是一种RNA病毒,可引起人类的戊型肝炎。目前已发现,家畜家禽均可感染HEV,继而导致肝脏、肉类等食物的污染,HEV也可污染水源。HEV能通过食物与饮水致病。人们在食用未经彻底加热的食物时,可出现戊型肝炎,且患者体内与食物中污染的HEV基因型相同。饮用不洁水后,也可发生相同基因型的戊型肝炎。

Hepatitis E virus( HEV) is a kind of RNA virus and can cause hepatitis E in humans. It is reported that livestock and poultry can be infected by HEV,which causes the contamination of the liver,muscles. HEV can also contaminate water. HEV can infect humans by contaminated food or water. The inhabitants will suffer from Hepatitis E when they have foods which are not heated thoroughly or drink dirty water,and the HEV genetype in the serum is similar to that in the contaminated food or water.