Sergei L. Kosakovsky Pond

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Computational evolutionary biologist at Temple University and coauthor of a 2026 Cell study on viral epidemic origins

Speaks on: Covid 19 Origins Health Public Health Research Policy Disinformation

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covid-19-origins (2) health (2) public-health (2) research-policy (2) × disinformation (1) world (1)

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The clustering of early cases around the Huanan market reflects where the COVID-19 virus emerged, not just where testing looked
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Sergei L. Kosakovsky Pond votes For and says:

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In late 2019, SARS-CoV-2 was epidemiologically linked to a market selling wild animals in central China [...] Genetic and epidemiological evidence supports the hypothesis that virus preceding SARS-CoV-2 briefly circulated in an intermediate host sold...
more Disputed source (Mar 6, 2026)

added 4min ago
COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
241 opinions

Sergei L. Kosakovsky Pond votes Against and says:

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Examining the zoonotic emergence of Ebola virus, Marburg virus, mpox virus, influenza A virus, and SARS-CoV-2, we find no evidence of a change in selection intensity immediately prior to outbreaks in humans compared with typical selection within rese...
more Disputed source (Mar 6, 2026)

added 3h ago