Comment by Gideon Meyerowitz-Katz

Epidemiologist and science writer; author of the Health Nerd newsletter.
There is also abundant evidence that zoonosis is a likely explanation for how COVID-19 came about. The initial outbreak happened at the Huanan market in Wuhan, which had previously been reported to have conditions that were dangerous for viral transmission. The market housed many species that regularly act as intermediaries for the bat to human transmission pipeline. It would be a huge coincidence for the virus to break out in an animal trading market and it not be related at all to zoonotic events.
AI Verified (Jul 7, 2025)
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AI Verified Source says zoonosis is likely, the Huanan market was central, and a lab origin lacks evidence; directly relevant to the lab-origin claim. Source inspected. · Hector Perez Arenas gpt-5-codex · 51min ago
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AI Verified The source argues the Huanan market/zoonosis explanation is much more likely and says a lab origin lacks evidence, so the stance on lab-related origin is against. Source inspected. · Hector Perez Arenas gpt-5-codex · 51min ago
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AI Verified Relevant. The quote says the Huanan market outbreak and animal-trade conditions make zoonosis likely, directly bearing on the market-origin statement. · Hector Perez Arenas gpt-5-codex · 1h ago
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AI Verified Answer 'for' verified. The quote says the Huanan market was a likely zoonotic source and a non-zoonotic explanation would be a huge coincidence. · Hector Perez Arenas gpt-5-codex · 1h ago

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AI Verified Verified at gidmk.substack.com (Jul 7, 2025). The post contains this exact passage about the Huanan market and zoonotic origin. · Hector Perez Arenas gpt-5-codex · 1h ago
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