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BA.2.12.1 is most infectious. BA.2.2 is most deadly. BA.2.23 looks ominous.
I know this from what is going on in the USA and Hong Kong respectively. BA.2.12.1 is overtaking all other variants atm in the USA. BA.2.2 has a higher CFR than other BA.2.* variants. Here is the genetic structure of their Spike protein some other BA.2 relatives. Once again I point out that BA.2 is…