This article documents the chronology of the response to the COVID-19 pandemic in April 2021, which originated in Wuhan, China in December 2019. Some developments may become known or fully understood only in retrospect. Reporting on this pandemic began in December 2019.
This section is empty. You can help by adding to it. (December 2021)
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This section is empty. You can help by adding to it. (December 2021)
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This section is empty. You can help by adding to it. (December 2021)
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This section is empty. You can help by adding to it. (December 2021)
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