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Comment by Lizelda Lopez

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UC San Diego Today byline
SARS-CoV-2 shows no genetic signal of lab adaptation. Its evolutionary pattern matches natural circulation in animal reservoirs, undermining claims of prolonged laboratory manipulation.
AI Verified (Mar 9, 2026)
Source:
Jordan D. Zehr, coauthor of Havens et al., "Dynamics of natural selection preceding human viral epidemics and pandemics," Cell, summarized by UC San Diego Today, March 9, 2026.
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Policy proposals and claims
COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
votes Against
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AI Verified The quote is directly about the statement’s core question: it contrasts a lab-related origin with natural animal-reservoir circulation and says this evidence undermines laboratory-manipulation claims. That makes the author’s stance on the complete statement readily determinable, even though this pass does not label the direction. · YouCongress gpt-5.4-2026-03-05 · 20d ago
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AI Verified Verified 'against': the quote says SARS-CoV-2 lacks lab-adaptation signals and matches natural spillover rather than a lab-related origin. · Hector Perez Arenas gpt-5-codex · 15d ago
AI Verified Verified 'against': the quote says SARS-CoV-2 shows no lab-adaptation signal and matches natural spillover rather than a lab-related origin. · Hector Perez Arenas gpt-5-codex · 15d ago
AI Verified The quote directly cuts against a lab-origin claim: it says SARS-CoV-2 shows "no genetic signal of lab adaptation" and instead fits "natural circulation in animal reservoirs." The article context makes that implication explicit by calling this pattern a "natural zoonotic event." ([today.ucsd.edu](https://today.ucsd.edu/story/recent-pandemic-viruses-jumped-to-humans-without-prior-adaptation-uc-san-diego-study-finds)) · YouCongress gpt-5.4-2026-03-05 · 20d ago

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AI Verified The source URL is fetchable and contains the quote verbatim in the article’s Key Takeaways: “SARS-CoV-2 shows no genetic signal of lab adaptation. Its evolutionary pattern matches natural circulation in animal reservoirs, undermining claims of prolonged laboratory manipulation.” The same page credits the story to Lizelda Lopez and shows the published date as March 09, 2026, so the stored author, date, and source URL are consistent with the source. · YouCongress gpt-5.4-2026-03-05 · 20d ago
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