All about respiratory corona-virus infections

corona virus affected countries

Corona virus affected countries. Covid-19 (formerly known as 2019-nCoV) appeared in China in late December 2019. This infectious disease is caused by SARS-CoV-2, a virus that belongs to a large family, the corona viruses. Very frequent, they can cause a simple cold as well as a serious respiratory infection such as pneumonia, causing fatal epidemics … Read more