I really recommend this book which probes both natural and lab-leak origin theories https://www.goodreads.com/en/book/show/58647975-viral https://www.goodreads.

I really recommend this book which probes both natural and lab-leak origin theories https://www.goodreads.com/en/book/show/58647975-viral https://www.goodreads.com/en/book/show/58647975-viral IMHO, it is very likely that lab-leak is the origin, though it does not have definite evidence. Here is a Bayesian (but somewhat old) analysis from Rootclaim https://www.rootclaim.com/analysis/What-is-the-source-of-COVID-19-SARS-CoV-2 https://www.rootclaim.com/analysis/What-is-the-source-of-COV... giving lab leak over 80% chance.