Omicron boosters weaker against BQ.1.1 subvariant

A staff member draws up a syringe with the Comirnaty vaccine from Biontech and Pfizer adapted to the Omicron-BA.1 variant at the Mainz vaccination center. Sebastian Christoph Gollnow | dpa | Picture A...

Pfizer says omicron booster is better against new subvariants like BQ.1.1

A staff member draws up a syringe with the Comirnaty vaccine from Biontech and Pfizer adapted to the Omicron-BA.1 variant at the Mainz vaccination center. Sebastian Christoph Gollnow | dpa | Picture A...