Immunological memory to COVID-19 vaccines in immunocompromised and immunocompetent children. - Russo C; Otero A; Uranga M; Seery V; Raiden S; Algieri S; De Carli N; Borda M; Albistur MF; Heinitz L; Marcó Del Pont M; Pardini M; et al. (Frontiers in cellular and infection microbiology, 2025)