Omicron Xbb.1.5 Subvariant

Omicron Xbb.1.5 Subvariant. In contrast to other descendants of the original omicron variant (known as b.1.1.529), xbb.1.5 is a mosaic subvariant that traces its roots to two omicron. In contrast to other descendants of the original omicron variant (known as b.1.1.529), xbb.1.5 is a mosaic subvariant that traces its roots to two omicron.

Scientists are now watching the omicron subvariant. Ema’s human medicines committee (chmp) has recommended authorising an adapted comirnaty vaccine targeting the omicron xbb.1.5 subvariant.