On 31 December 2019, 27 instances of pneumonia of obscure etiology were accounted for in the city of Wuhan, Hubei Province, China, that immediately spread to different nations. On 7 February 2020, the causative specialist was distinguished and was in this manner named extreme intense respiratory disorder Covid 2 (SARS-CoV-2) by the International Committee on Taxonomy of Viruses (ICTV), and the sickness that it causes was named Covid infection 2019 (COVID-19) by the World Health Organization (WHO).

At the point when we began to lead this audit on 11 March 2020, the WHO pronounced the flare-up of COVID-19 as a pandemic; on that date, 129 775 instances of disease had been accounted for in 114 nations, with 4751 passings and 68 672 individuals recuperated. Individuals influenced by SARS-CoV-2 contamination can have a wide scope of respiratory side effects including fever, windedness and hack, from asymptomatic or extremely gentle to serious pneumonia. The death rate until 3 March 2020 was determined at 3.4%. As to improvement, starting at 23 February 2020 there were 15 stage I clinical preliminaries in progress. Then again, 23 clinical preliminaries had been enlisted with various antivirals, monoclonal antibodies, methylprednisolone and teicoplanin and, among these, two with chloroquine (CQ). In the Chinese Clinical Trial Registry .

Reference link- https://www.sciencedirect.com/science/article/pii/S092485792030248X