Another variant vaccine, another potential risk

With the availability of the latest Pfizer (Comirnaty) Omicron XBB.1.5 vaccine, indicated for 12 years and over, there may be potential for selection or administration error, writes PDL This is due to the packaging of the vial appearing very similar to the previous Pfizer (Comirnaty) Bivalent BA.4-5 and BA.1 vials for similar age groups (12