3.Coronavirus disease 19 review
Hassina Guetarni
Covid 19 is a virus that caused a wordwild pandemic, first detected in China at the end of December 2019. Most people witch infected by the virus develop a mild to moderate symptoms of the disease. In the present review, a pathophysiology of the disease linked to infection with the Covid 19 (SARS-CoV-2), has been detailed. Keywords: Covid 19, Physiopathologie, PCR, vaccination.