Omicron the Greek Letter O Name of New Wuhan Virus Variant Said Very Contagious Many Mutations Evading mRNA Edits?

It’s the Big O, the Omicron variant of the wuhan virus, Omicron the fifteenth letter of the Greek alphabet and official name of the reportedly highly mutated Botswana variant, said to be spreading in Germany already, so will those who have immunity by previous wuhan infection be protected from this more mutant variant as they are from the Delta variant now plaguing the “vaccinated?”