What happens when the flies sits on food?

Did you ever have thought that what are doing flies after sitting on our food? What happens when flies sit on food? Whether we like it or not, the flies are an integral part of our lives and we must accept them as uninvited guests. In the new study, this is asked of participants: "If you're sitting in a restaurant, which one of animal causes to you stops eating? Mice, cockroaches, flies, ants or snakes? "The answer to this question is quite interesting: 61 percent of participants chose cockroaches. But researchers have warned that the risk of proliferation of germs by flies - especially the domestic flies which their prey is difficult – is more than twice.