COVID-19 vaccination: challenges in the pediatric population - Azoicai, Alice Nicoleta; Miron, Ingrith; Lupu, Ancuta; Alexoae, Monica Mihaela; Starcea, Iuliana Magdalena; Alecsa, Mirabela; Lupu, Vasile Valeriu; Danielescu, Ciprian; Nedelcu, Alin Horatiu; Salaru, Delia Lidia; Dragan, Felicia; Ioniuc, Ileana (Frontiers in Public Health, 2025)