The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019.[2] The first confirmed human case in the United States was on 19 January 2020.The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern (PHEIC) on 30 January 2020, and first referred to it as a pandemic on 11 March 2020.[5] Click the play button in the top left to interact with the map.The 2019 and January 2020 timeline articles include the initial responses as subsections, and more comprehensive timelines by nation-state are listed below this section.