Setting the record straight… Flies are NOT KNOWN TO transmit Coronavirus…Flies are capable of transmitting more than 100 pathogens through their legs, body hair, mouthparts, feces, and vomit. (Gross, right!) The scientific community is studying whether flies can transmit Coronavirus. Right now, flies are not known to transmit Coronavirus. But since they are known to carry a lot of other bad diseases, put screens on your windows and a lid on the garbage pail.