An Omicron-Omicron Recombinant—BA.4 - Forbes

SARS-CoV-2 has the ability to combine parts of previous strains, creating new variants. Here we describe a recombinant of two Omicron strains, given the preliminary designation Omicron BA.4.

Successive waves of Covid-19 have been driven by new variants. In Summer 2020, the B.1 variant swept the globe, receding in the Fall. The Winter of 2020 brought about the Alpha variant, which too fel… [+3954 chars]

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