Setting the record straight…Mosquitoes DO NOT Transmit Coronavirus… Mosquitoes infect about 700 million people a year with a mosquito-borne illnesses and are a threat to public health. But mosquitoes do not spread Coronavirus. Coronavirus is not a blood-borne disease. It is most often spread from person to person. Check out the CDC Myth Busting Page for more information. Stay Safe, San Diego!