Jordan D. Zehr

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Coauthor of a 2026 Cell study on natural selection before viral epidemics and pandemics

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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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 11min ago
COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
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Jordan D. Zehr votes Against and says:

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We conclude that extensive pre-zoonotic adaptation is not necessary for human-to-human transmission of zoonotic viruses. In contrast, the reemergence of H1N1 influenza A virus in 1977 was preceded by a shift in selection intensity, consistent with th...
more Disputed source (Mar 6, 2026)

added 3h ago