D. SalazarMarcela Cárcamo IbacetaMaría Teresa Valenzuela2026-03-222026-03-22202410.32641/andespediatr.v95i3.4982https://doi.org/10.32641/andespediatr.v95i3.4982https://andeanlibrary.org/handle/123456789/85877Citaciones: 1The year 2012 shows a change in the prevalent serogroup from serogroup B to W, with a decrease in cases of meningitis and an increase in cases of meningo- coccemia and the lethality of IMD.esMedicineMeningitisHumanitiesIncidence (geometry)Pediatricsreview