Comment by Gregory D. Koblentz

George Mason biodefense program director
I believe the available evidence points most strongly to a natural spillover event as the origin of the pandemic. However, a research-related accident cannot be ruled out at this time.
AI Verified source (Jun 18, 2024)
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AI Verified The quote is directly about the complete statement’s core question—lab-related incident versus natural spillover—and the source context shows the speaker explicitly weighing those two pathways. Because the quote says the evidence points most strongly to natural spillover, while noting a research-related accident cannot yet be ruled out, the author’s stance on the complete statement is still determinable. ([govinfo.gov](https://www.govinfo.gov/content/pkg/CHRG-118shrg56048/html/CHRG-118shrg56048.htm)) · YouCongress gpt-5.4-2026-03-05 · 20d ago
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AI Verified He says the evidence points most strongly to natural spillover, while only adding that a research-related accident cannot yet be ruled out; that is a clear lean against the claim that a lab-related incident was the origin rather than zoonotic spillover. ([govinfo.gov](https://www.govinfo.gov/content/pkg/CHRG-118shrg56048/html/CHRG-118shrg56048.htm)) · YouCongress gpt-5.4-2026-03-05 · 20d ago

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AI Verified Verified: the cited GovInfo hearing transcript for June 18, 2024 identifies Gregory D. Koblentz as the witness and places the exact submitted sentence in his opening statement at lines 364-366, so the wording, attribution, date, and source URL all match. ([govinfo.gov](https://www.govinfo.gov/content/pkg/CHRG-118shrg56048/html/CHRG-118shrg56048.htm)) · YouCongress gpt-5.4-2026-03-05 · 20d ago
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