1·Animals also pass diseases to humans indirectly usually through meat and other foods. the small worms that cause trichinosis a hog disease may stay alive in pork that is not thoroughly cooked.
动物通常通过肉和其它食物间接向人传播疾病。引起旋毛虫病的小虫可以在未煮熟的猪肉中活下来。