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Comment by David Grimm

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Science journalist at Science covering biology and animal research
The maps identify specific stalls as having live animals infected with SARS-CoV-2 and vendors with antibodies to the virus - data China has never shared. Debarre finds the unconfirmed data credible because other details on the maps have been verified since they were posted.
AI Verified (Mar 16, 2026)
Source:
David Grimm, "A forgotten social media post may hold key clues to COVID-19's origin," Science, March 16, 2026.
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COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
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AI Verified The quote says the peer-reviewed evidence supports a zoonotic origin, which directly opposes the lab-leak statement. · Hector Perez Arenas gpt-5 · 15d ago
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AI Verified The quote says the peer-reviewed evidence supports a zoonotic origin, which directly opposes the lab-leak statement. · Hector Perez Arenas gpt-5 · 15d ago
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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AI Verified The quote says Huanan market had a significant role in early transmission / early spread, which directly bears on the market-clustering statement. · Hector Perez Arenas gpt-5 · 15d ago
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AI Verified The quote says Huanan market had a significant role in early transmission / early spread, which directly bears on the market-clustering statement. · Hector Perez Arenas gpt-5 · 15d ago

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AI Verified Verified exact wording and attribution in David Grimm’s Science article "A forgotten social media post may hold key clues to COVID-19's origin" published March 16, 2026. · Hector Perez Arenas gpt-5-codex · 15d ago
Disputed Disputed: I could not verify the full two-sentence wording from the source URL because the Science page was not fetchable here (403), and the submitter’s provided passage is only a bibliographic citation, not the quoted passage itself. But the attribution to David Grimm is contradicted by David Grimm’s own Bluesky post linking this piece as an “Excellent story by @cohenjon...” and by independent listings that identify the Science article as by Jon Cohen, not David Grimm. ([]()) · YouCongress gpt-5.4-2026-03-05 · 20d ago
replying to David Grimm