This could easily go another 5 hours because someone sure likes to hear himself talk. Obviously a smart guy, but his hypothesis  has been debunked and rejected by fellow scientists who formerly agreed with him.  It could still be a lab leak, but not for the reasons Jamie thinks. Also, it's sloppy and dangerous that he conflates "lab leak" and "man-made virus" and uses them interchangeably. Especially when he is critical of others being careless with their words.,(reply>), @Sheriff BigDog the part about furin cleavage site is complete bs for example. The original Wuhan strain didn't have the kind of site they engineer in the lab. Rather it appeared only in Delta which obviously naturally evolved.