On April 13, the Central Epidemic Command Center (CECC) reported that the Advisory Committee on Immunization Practices (ACIP) at the Ministry of Health and Welfare had held an expert meeting on March 22 and issued its recommendations on the use of Moderna's BA.4/BA.5 bivalent COVID-19 vaccine as a booster for children. These recommendations are listed below.

A. Moderna's BA.4/BA.5 bivalent COVID-19 vaccine can be given as a booster to children 6 months through 5 years of age who have completed their primary series vaccination.

B. Moderna's bivalent COVID-19 vaccine is not suitable for use in children 6 months through 5 years of age who have completed their primary series vaccination with the Pfizer-BioNTech vaccine for children. These children are recommended to follow the current recommendations to receive three primary series doses of the Pfizer-BioNTech vaccine for children.