Can you provide some citations? My understanding is that omicron and prior strains have fundamentally different effects especially wrt synctia formation.
Here is recent, high quality one, but there are many more (and some with conflicting results - but to my eye the best studies all point to similar conclusions).
Here is recent, high quality one, but there are many more (and some with conflicting results - but to my eye the best studies all point to similar conclusions).