The COVID-19 pandemic started in March 2020. The public health emergency of international concern ended in May 2023.

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The pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) began with an outbreak of COVID-19 in Wuhan, China, in December 2019.

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This timeline provides information about select moments in the COVID-19 pandemic in the United States and around the world beginning from its known origins ...

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March 5: The first case of community transmission of COVID-19 is detected in Canada in the province of British Columbia. March 11: COVID-19 is declared a ...

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by YJ Hao · 2022 · Cited by 128 — The first cases of SARS‐CoV appeared in Foshan, Guangdong province, China in November 2002 (Ge, Hu, & Shi, 2015). It eventually became a SARS epidemic, ...

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Cases of novel coronavirus (nCoV) were first detected in China in December 2019, with the virus spreading rapidly to other countries across the world. This led ...

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Thousands of people gather for an electronic music festival at a water park in Wuhan, China, on August 15. The novel coronavirus was first reported in Wuhan ...

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Learn about the COVID-19 pandemic as well as mRNA research, COVID-19 tests and treatments, and COVID-19 vaccine development and approval.

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The first human cases of COVID-19 occurred in Wuhan, People's Republic of China, on or about 17 November 2019. The first confirmed human case in the United ...

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On March 11, 2020, the World Health Organization (WHO) declared COVID-19, the disease caused by the SARS-CoV-2, a pandemic.

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