Aumento de la incidencia de enfermedad neumocócica invasora producida por el serotipo 19A previo a la introducción de las vacunas neumocócicas ampliadas

Serotype 19A was the main causal agent of IPD in the PCV7 era (P3), with high antibiotic resistance rates. This serotype was responsible for all types of IPD, being the main cause of meningitis.