Marietjie Venter

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Virologist, University of the Witwatersrand; Chair of the WHO Scientific Advisory Group for the Origins of Novel Pathogens (SAGO)

Speaks on: COVID-19 Origins Disinformation FLF Epistack Health Public Health

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

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Bayesian analysis is the right framework for settling the COVID-19 origins question
141 opinions

Marietjie Venter votes Against and says:

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In the 78-page document, we determined that most of the peer-reviewed scientific evidence supports the hypothesis that SARS-CoV-2 has a zoonotic origin, meaning that it came from an animal.
Unverified source (Feb 24, 2026)

added 18d ago
COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
427 opinions

Marietjie Venter votes Against and says:

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Most scientific data supports the hypothesis that the new coronavirus jumped to humans from animals.
AI Verified source (Jun 27, 2025) 1 of 3

added 11d ago