Because the natural home for Salmonella bacteria is in the gut of these animals, their poop becomes a carrier of the germ if it gets into food or water.
这些动物的消化道是沙门氏菌的天然家园，因此它们的粪便就为细菌侵入食物或水源提供了载体。
2
In addition to the 19 confirmed cases, one student was diagnosed as a "healthy carrier", or a person who was infected with the cholera bacteria but displayed no symptoms.