Authorisation protocol for non-registered professionals to safely administer the Comirnaty Bivalent Original/Omicron BA.1 COVID-19 vaccine (Pfizer).
Protocol awdurdodi er mwyn i weithwyr proffesiynol anghofrestredig allu rhoi brechlyn Comirnaty Bivalent Original/Omicron BA.1 COVID-19 (Pfizer) yn ddiogel.