Definition of the groups eligible to receive the bivalent vaccine booster in 2023: The priority groups will be staggered by phases to receive the vaccine according to the availability of immunizers in the country.

Recommendation of booster dose with bivalent COVID-19 vaccines: use of boosters with bivalent vaccines for priority groups. For regulatory reasons the vaccine to be used for this action will be the bivalent COVID-19 Pfizer-BioNtech vaccine BA.1 and BA.4/BA.5.

Covid-19 vaccination of children between six months and two years old with comorbidities. Booster COVID-19 vaccines for children between 5 and 11 years of age. Indications for use of the AstraZeneca COVID-19 vaccine for the population 40 years of age and older. Definition of priority groups to receive bivalent COVID-19 vaccines in the year 2023.