although there is a chance fruit flies can carry germs on to your food ,this is not very likely . fruit flies are annoying ,but they probably will not hurt you because they are such a nuisance , however , most people want to get rid of these pesky bugs as quickly as possible. some people use pesticide sprays on the fruit flies. although this will kill the flies, it will also spread harmful poison all over your kitchen. luckily, there is also a completely safe way for you to get rid of fruit flies in your house.