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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.
Disputed (Mar 16, 2026)
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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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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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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 · 1h ago
replying to David Grimm