The use of bivalent vaccines against COVID-19: Based on the safety data on the use of
bivalent vaccines (BA.4/BA.5)8,9 CONAPI states that the Moderna and/or Pfizer bivalent vaccines
(BA.4/BA.5) can be used to initiate, to complete primary series, or as boosters. An additional booster with the bivalent vaccine (BA.4/BA.5) should be considered for higher risk individuals according to comorbidities established in the respective guidelines, regardless of the number of doses received, as long as 6 months have elapsed since the last dose.