meanwhile, documentation of indoor transmission of covid-19 is widespread: at choir practices, exercise classes, religious services, birthday parties, and funerals, and in nursing homes, conventions, offices, restaurants, nightclubs, meatpacking plants, and prisons.
meanwhile, documentation of indoor transmission of covid-19 is widespread: at choir practices, exercise classes, religious services, birthday parties, and funerals, and in nursing homes, conventions, offices, restaurants, nightclubs, meatpacking plants, and prisons.