Covid-19 is a contagious disease caused by SARS-CoV-2, a respiratory disease. The first case was identified in Wuhan, China, in December 2019. More than a year has passed and now is a pandemic worlwide.
Face Masks and Prevention
The WHO and the US CDC recommend everyone wear non-medical face coverings in public places where there is a big risk of transmission and where social distancing is difficult to maintain
