COVID-19 - Wikipedia
https://en.wikipedia.org:443/wiki/COVID-19
OverviewHistoryNomenclatureSymptoms and signsCausePathophysiologyDiagnosisPreventionThe virus is thought to be of natural animal origin, most likely through spillover infection. A joint-study conducted in early 2021 by the People's Republic of China and the World Health Organization indicated that the virus descended from a coronavirus that infects wild bats, and likely spread to humans through an intermediary wildlife host. There are several theories about where the index case originated and investigations into the origin of the pandemic are ongoing. Ac… Deaths: 6,960,770 (reported), 17.6–31.4 million (estimated) Usual onset: 2–14 days (typically 5), after infection
Deaths: 6,960,770 (reported), 17.6–31.4 million (estimated)
Usual onset: 2–14 days (typically 5), after infection
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