Booster Vaccination with BNT162b2 Improves Cellular and Humoral Immune Response in the Pediatric Population Immunized with CoronaVac. - Díaz-Dinamarca DA; Cárdenas-Cáceres S; Muena NA; Díaz P; Barra G; Puentes R; Escobar DF; Díaz-Samirin M; Santis-Alay NT; Canales C; Díaz J; García-Escorza HE; et al. (Vaccines, 2024)