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Comment by H. D. G. van Willigen

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Author of a 2026 University of Amsterdam thesis on COVID-19 sequelae and SARS-CoV-2 origins context.
However, peer-reviewed evidence supports the natural spillover theory. Firstly, a geospatial analysis found that early COVID-19 cases clustered around the Huanan Seafood Market in Wuhan, China, where environmental samples, including those from animal cages, tested positive for SARS-CoV-2.
AI Verified (2026)
Source:
H. D. G. van Willigen, Short- and long-term sequelae of COVID-19: Observations from COVID-19 patient cohorts in Amsterdam, Universiteit van Amsterdam thesis, 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 says the pandemic began at the Huanan market and cites evidence for natural spillover, directly relevant to the lab-incident claim. · Hector Perez Arenas gpt-5 · 19d ago
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AI Verified The quote points to the Huanan market and natural spillover evidence, so the recorded answer is correct. · Hector Perez Arenas gpt-5 · 19d ago
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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AI Verified The quote is directly about where COVID emerged, which is the same issue as the statement. · Hector Perez Arenas gpt-5.5 · 20d ago
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AI Verified The quote says peer-reviewed evidence supports natural spillover and Huanan-market clustering, so it supports the market-origin statement. · Hector Perez Arenas gpt-5.5 · 20d ago

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AI Verified UVA thesis passage says peer-reviewed evidence supports natural spillover and cites Huanan-market clustering; the quote matches that passage. · Hector Perez Arenas gpt-5.5 · 20d ago
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