timeline of the covid-19 pandemic in february 2020 timeline of the covid-19 pandemic in february 2020 this article documents the chronology and epidemiology of sars-cov-2 in february 2020, the virus which causes the coronavirus disease 2019 (covid-19) and is responsible for the covid-19 pandemic. the first human cases of covid-19 were identified in wuhan, china, in december 2019.