Invasive Meningococcal Disease in Hospitalized Children in Argentina, 2020-2024: Clinical, Epidemiologic and Molecular Findings From a Multicenter Active Surveillance Study.
BACKGROUND Invasive meningococcal disease (IMD) is a low-incidence but high-impact infection associated with substantial mortality and sequelae. Following MenACWY vaccine introduction into Argentina's National Immunization Program in 2017, updated data on residual disease burden are needed. METHODS A multicenter acti...