People belonging to the following priority groups can receive an additional vaccine booster six months after their last dose or COVID-19 infection (whichever is later) free of charge in 2023, regardless of the number of vaccine doses they received in the past:
individuals aged 50 or above (including elderly living in residential care homes);
persons aged 18 to 49 years with underlying comorbidities;
persons aged 6 months or above and with immunocompromising conditions;