Omicron Xbb 2024 Tacoma. These filings follow guidance from the fda’s vaccines and related biological products advisory committee (vrbpac) to manufacture an omicron. The us food and drug administration (fda) has approved pfizer and biontech’s supplemental biologics license application (sbla) for omicron xbb.1.5.

Xbb.1.5, an offshoot of the coronavirus’s omicron variant, can hide from parts of the immune system, but vaccines and some treatments still work. Our phylogenetic analysis suggests that xbb.1.5.