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by epakai 1213 days ago
Natural and lab leak are not exclusive. In fact we do have evidence for genetic markers being of natural origin. See the work of William Gallaher, 'A palindromic RNA sequence as a common breakpoint contributor to copy-choice recombination in SARS-COV-2'. As well as: https://virological.org/t/the-sarbecovirus-origin-of-sars-co...

The lacking evidence for a natural origin right now is just that a natural reservoir hasn't been discovered. The potential natural mechanisms for those genetic markers seem reasonably understood though.