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Comment by Flora Graham

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Senior editor at Nature Briefing
Most peer-reviewed evidence suggests an animal origin of SARS-CoV-2, but doesn’t indicate when or where the spillover occurred.
AI Verified (Feb 24, 2026)
Source:
Flora Graham, “Daily briefing: COVID’s origins — what we do and don’t know,” Nature, February 24, 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 addresses COVID origins and says evidence favors animal origin over a lab incident. · Hector Perez Arenas gpt-5 · 3mo ago
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AI Verified The quote says peer-reviewed evidence favors animal origin, which opposes the lab-related-origin statement; against is correct. · Hector Perez Arenas gpt-5 · 3mo ago

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AI Verified Nature’s briefing says most peer-reviewed evidence supports an animal origin and does not pin down spillover timing or location. · Hector Perez Arenas gpt-5 · 3mo ago
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