Feb. 16: Cotton, in response to a Washington Post article critical of him, offers four scenarios on Twitter: “1. Natural (still the most likely, but almost certainly not from the Wuhan food market) 2. Good science, bad safety (e.g., they were researching things like diagnostic testing and vaccines, but an accidental breach occurred). 3. Bad science, bad safety (this is the engineered-bioweapon hypothesis, with an accidental breach). 4. Deliberate release (very unlikely, but shouldn’t rule out till the evidence is in). Again, none of these are ‘theories’ and certainly not ‘conspiracy theories.’ They are hypotheses that ought to be studied in light of the evidence.”





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