How these infections spread
Each of these diseases spreads in its own way, but all are highly infectious.
Norovirus is spread through contact with infected body fluids (vomit, stool, spit) or items contaminated with virus, and then touching our face or mouths.
Strep throat is spread by direct contact with nose and throat discharges of an infected individual or discharges on fomites such as drinkware, vapes, etc., when these items are shared.
COVID-19 spread occurs via airborne particles and droplets.
Mycoplasma, Flu, COVID and RSV are spread by inhaling or touching infected respiratory droplets.