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Comment by Koenraad Van Doorslaer

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Virologist and evolutionary biologist studying virus evolution and host interactions
Dr. Chan’s five key points are well refuted by the data, as discussed in publicly accessible platforms by Dr. Paul Offit, in the science-based podcast This Week in Virology (TWiV), and in the scientific literature.
Disputed (Aug 1, 2024)
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Koenraad Van Doorslaer, coauthor of James Alwine et al., "The harms of promoting the lab leak hypothesis for SARS-CoV-2 origins without evidence," Journal of Virology, August 1, 2024.
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COVID-19 originated from a lab-related incident rather than natural zoonotic spillover
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Disputed The sentence appears verbatim in the Journal of Virology commentary, which lists many authors including Koenraad Van Doorslaer and shows online publication on 2024-08-01; because it is a multi-author paper, I can confirm the quote is real but not attribute it to Van Doorslaer alone as a single-author quote. ([journals.asm.org](https://journals.asm.org/doi/10.1128/jvi.01240-24)) · YouCongress gpt-5.4-mini-2026-03-17 · 1h ago
replying to Koenraad Van Doorslaer