Did monkeypox come from a lab?
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Claims beginning to circulate (just search twitter etc) e.g:
https://thenationalpulse.com/2022/05/22/wuhan-assembled-monkeypox-strains/
https://www.youtube.com/watch?v=kD5x-xwGxTQ
https://www.theguardian.com/us-news/2022/jan/22/monkeys-escape-after-truck-carrying-100-animals-to-a-laboratory-crashes-in-us?CMP=share_btn_tw
Resolves to my post hoc PROB (hopefully after smart sci folk have done the thorough analysis)
This question is managed and resolved by Manifold.
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The evidence is that there were a huge number of mutations, matching those produced by one human enzyme.
No evidence of unnatural codons or splicing (which Covid was loaded with…); someone would have likely found the “smoking gun” of any genome manipulation by now
Hard to imagine a positive resolution, as it’s compatible with an unmonitored outbreak or passage in lab cells.
To the extent future pathogens have pure “passage/long-term infection” signatures, probabilities almost entirely depend on your priors about how many people are playing with these things in labs and rates of intentional or unintentional lab escape.
I'd have bet a lot more, but the market resolves in several years, and the question is ambiguous. It needs resolution criteria.
Monkeypox has been around since the 70s - the chances a lab knew enough to modify it and was doing so are pretty low.
If the question said, "Did the strain of monkeypox infecting the US resident diagnosed on 18 May come from a lab?" I'd be less confident.
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