As a side observation of flu variance chart – one can observe the principle that wide diversity in the BA.x series of mild Covid, suggests broad evolutionary footprint…
There is only one way for that background diversity to happen – not labs, not immune pressure … only time.
I wonder what Geert Vanden Bossche will have to say about this. ABN
UPDATE: See my comment for Vanden Bossche’s answer to TES. I doubt his answer is specifically addressed to TES but he does resolve any conflict that may have appeared between their two views. ABN