The timeline of the COVID-19 pandemic lists the articles containing the chronology and epidemiology of SARS-CoV-2, [1] the virus that causes the coronavirus disease 2019 ( COVID-19) and is responsible for the COVID-19 pandemic.
The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 16 November 2019. [2] The first human case in the United States was on 21 January 2020. The World Health Organization declared the COVID-19 outbreak a Public Health Emergency of International Concern on 30 January 2020, and a pandemic on 11 March 2020. [3] [4] As of this edit (February 2024 [update]) it is still unknown on precisely how humans in mainland China were initially or previously infected with the virus known as SARS-CoV-2. [5] Official reports from the United States Government say the most likely source of the COVID-19 outbreak is from the Wuhan Institute of Virology.[ citation needed]
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.
The following are the timelines of the COVID-19 pandemic respectively in:
The following are responses to the COVID-19 pandemic respectively in:
Some of the timelines listed below also contain responses. The following are the timeline of the COVID-19 pandemic in:
The following are COVID-19 pandemic cases in: