Residual burden of severe RSV disease in infants during the first season of maternal RSVpreF immunization in Argentina: A hospital-based, multicentre, retrospective cohort study

Vaccine 2026 Open access

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Authors: Julia Dvorkin, María Pico, Gonzalo Germán Guiñazú, María Sol Crespi, Shona Lee, Rosario Merlino, Juliana Palau, Celeste Samaruga, Sofia Esposto, Micaela Pichinenda, Anastasia E. Regalado, Valeria Torre
+14 more Gabriela Sanluis Fenelli, María Fabiana Ossorio, Agustina del Rosario Sbruzzi, Stella Maris Souto, F C Ferrero, Juan Ves Losada, Ana Graziano, María Nieves Ojeda, Silvana Lugo, Guadalupe Geli, Mónica Schpilberg, Alfredo Eymann, Julio Busaniche, Mauricio T. Caballero
DOI: 10.1016/j.vaccine.2026.128773
Cited by: 1
References: 29

Abstract

BACKGROUND: Argentina pioneered the implementation of maternal immunization (MI) with RSVpreF to prevent RSV hospitalizations in infants. This study aims to assess the residual burden of RSV-related hospitalizations in infants under 12 months during Argentina's first season of MI. METHODS: This multicentre, retrospective cohort study utilized the RIMA network across five tertiary hospitals in the Metropolitan Area of Buenos Aires. We analysed RSV-related hospitalizations in infants

Fields of Study & Subjects

Respiratory viral infections research Cytomegalovirus and herpesvirus research Parvovirus B19 Infection Studies

Publication details

Journal / source
Vaccine
Publisher
Elsevier BV
Volume
87
Pages
128773–128773
Publication date
29 May 2026
Language
EN