November 2, 2022
Coronavirus (COVID)
Human coronaviruses are the second most common cause of the common cold, and symptoms usually are mild to moderate. However, coronaviruses that infect animals sometimes change and become a new human coronavirus (as was the case with severe acute respiratory syndrome, or SARS, in 2003). COVID-19 (coronavirus disease 2019) is a disease caused by a virus […]
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