What is COVID-19 pandemic?

The COVID-19 pandemic refers to the ongoing global outbreak of the coronavirus disease 2019 (COVID-19). It is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and was first identified in December 2019 in Wuhan, China. The virus quickly spread to other countries and has since become a worldwide health crisis. The pandemic has resulted in millions of confirmed cases and deaths, as well as significant social, economic, and healthcare disruptions globally. Efforts to control the spread of the virus include widespread testing, contact tracing, quarantine measures, social distancing, and the development and distribution of vaccines.