ABC: One Scientist Who Signed Lancet Letter Dismissing Lab Leak Theory Now Thinks Lab Leak Is More Likely, ‘Several’ Now Uncertain

On Monday's broadcast of ABC's "Good Morning America," ABC News Senior National Correspondent Terry Moran reported that one of the scientists who signed a letter in the medical journal The Lancet that dismissed the theory that COVID-19 came from a lab now believes the lab leak theory is more probable, and "several" other signatories of the letter are now unsure that the virus came from nature.