This article lists the pages containing the chronology and epidemiology of SARS-CoV-2, 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. At this stage it is not possible to determine precisely how humans in China were initially infected with SARS-CoV-2. Furthermore, some developments may become known or fully understood only in retrospect.
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