COVID-19

Abstract

The first cases of new coronavirus infection in 2019 diagnosed as severe pneumonia of unknown etiology appeared in December 2019 in the city of Wuhan, China. Later on, patients’ respiratory samples have shown the presence of the coronavirus (SARS-CoV-2), identified as the agent causing the COVID-19 disease. Its rapid spread worldwide led the World Health Organization (WHO) to declare on March 11, 2020, the COVID-19 infection, a worldwide pandemic.