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Of the ~200 common colds, 4 are known coronaviruses https://en.wikipedia.org/wiki/Common_cold#Viruses https://en.wikipedia.org/wiki/Common_cold#Viruses https:

by Cactus2018 6y ago

Of the ~200 common colds, 4 are known coronaviruses https://en.wikipedia.org/wiki/Common_cold#Viruses https://en.wikipedia.org/wiki/Common_cold#Viruses https://en.wikipedia.org/wiki/Coronavirus#Infection_in_humans https://en.wikipedia.org/wiki/Coronavirus#Infection_in_human...