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Comment by Fuqing Wu

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Researcher and author of genomic analyses on SARS-CoV-2 laboratory-engineering hypotheses
The analysis clearly shows that the endonuclease fingerprint does not indicate a synthetic origin of SARS-CoV-2 and engineering a SARS-CoV-2 virus in the laboratory is extremely challenging both scientifically and financially. On the contrary, current scientific evidence does support the animal origin of SARS-CoV-2.
AI Verified (May 1, 2023)
Source:
Fuqing Wu, "Updated analysis to reject the laboratory-engineering hypothesis of SARS-CoV-2," Environmental Research, May 1, 2023.
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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 origin question at issue: it says the genomic pattern does not indicate a synthetic/laboratory origin and that current scientific evidence supports an animal origin. In source context, the article presents the main alternatives as animal origin versus laboratory origin, so this quote gives a clear, determinable stance on the complete statement, even if it emphasizes engineering more than every possible lab-incident variant. ([sciencedirect.com](https://www.sciencedirect.com/science/article/pii/S0013935123002736?utm_source=openai)) · YouCongress gpt-5.4-2026-03-05 · 19d ago
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AI Verified The author is against the statement: the abstract says SARS-CoV-2's fingerprint 'does not indicate a synthetic origin,' lab engineering is 'extremely challenging,' and current evidence instead 'does support the animal origin of SARS-CoV-2.' ([sciencedirect.com](https://www.sciencedirect.com/science/article/pii/S0013935123002736)) · YouCongress gpt-5.4-2026-03-05 · 19d ago

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AI Verified Verified: the quote appears verbatim in the abstract on the ScienceDirect source URL for Fuqing Wu’s article "Updated analysis to reject the laboratory-engineering hypothesis of SARS-CoV-2" in Environmental Research, volume 224, dated May 1, 2023. A Texas Medical Center Digital Commons record for the same article corroborates the same author, date, journal, DOI, and abstract text. ([sciencedirect.com](https://www.sciencedirect.com/science/article/pii/S0013935123002736)) · YouCongress gpt-5.4-2026-03-05 · 19d ago
replying to Fuqing Wu