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Omicron XE variant: Here is what we know about this COVID hybrid strain
BA.2 subvariant of Omicron dominates the COVID-19 spread across Canada and globally, scientists are keeping a close eye on a new hybrid variant.The XE sub-lineage of Omicron, which was first detected in the U.K. in January, is what experts call a “recombinant virus.”A recombinant virus is a combination of genetic material from two or more different viruses — in this case, the original subvariant of Omicron (BA.1) and the more infectious BA.2.