Coronavirus disease 2019 (COVID619° is an infectious disease that refers to « Coronavirus
Diseases ». The disease caused by a virus of the family Coronaviridae.This infectious disease is a zoonosis, the origin of which is still debated, emerged in December 2019 in the city of Wuhan, in the province of Hubei in China.
It quickly spread first throughout China, then Overseas causing a global epidemic.COVID-19 is a Respiratory illness than can be fatal in patients weakened by age or others chronic illness. It is spread through close contact with infected people. The disease could also also be transmitted by asymptomatic patients, but scientific data is lacking to prove this certainly.