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While there has been considerable speculation, the evidence supporting a lab origin for Omicron is thin at best. It is not anywhere near the amount of evidence for a lab origin that we have for the original Wuhan strain of SARS-CoV-2.

Of course, there is no firm evidence that Omicron is categorically NOT laboratory-created--hence the speculation.

For the purposes of assessing the BU Gain-Of-Function research, I am presuming that Omicron is naturally occurring. It keeps the discussion simple and focused.

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