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Comment by Pablo Penaloza-MacMaster

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Associate professor of microbiology-immunology at Northwestern University Feinberg School of Medicine.
The lab leak hypothesis remains a topic of debate but lacks substantial scientific evidence. To date, there is no verifiable data supporting the claim that SARS-CoV-2 emerged from a laboratory leak. Historical, genomic and evolutionary studies strongly suggest a natural origin.
AI Verified (Apr 18, 2025)
Source:
Heather Landi, “White House recasts Covid.gov as lab leak explainer,” Fierce Healthcare, April 18, 2025.
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Policy proposals and claims
COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
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AI Verified Quote says the lab-leak claim lacks evidence and studies favor a natural origin. · Hector Perez Arenas gpt-5 · 1h ago
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AI Verified Recorded answer against verified. Quote rejects substantial lab-leak evidence and favors a natural origin. · Hector Perez Arenas gpt-5 · 1h ago

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AI Verified Verified against the cited source; wording, attribution, and date match. · Hector Perez Arenas gpt-5 · 1h ago
replying to Pablo Penaloza-MacMaster