Certain vaccine-preventable diseases such as invasive pneumococcal disease (IPD), pneumonia, and otitis media (OM) are caused by Streptococcus pneumoniae. Pneumococcal conjugate vaccines (PCVs) have significantly contributed to reduce the burden of pneumococcal disease. The evidence from published literature indicates that the pneumococcal Haemophilus influenzae protein D conjugate vaccine and the 13-valent PCV have similar impact against pneumococcal disease burden. This opinion has been adopted by independent recognised public health entities such as the World Health Organization and the Pan American Health Organization. The net effect is limited by the continuous replacement of serotypes not contained in the formulations. The studies focusing on specific serotypes should recognise that the main goal of the vaccination with PCVs is to reduce the overall burden of disease regardless the serotypes already contained into formulation. Ciertas enfermedades prevenibles con vacunas, como la enfermedad neumocócica invasiva (ENI), la neumonía y la otitis media (OM) son causadas por Streptococcus pneumoniae. Las vacunas neumocócicas conjugadas (VNC) han contribuido de manera considerable a reducir la carga de la enfermedad neumocócica. La evidencia bibliográfica publicada indica que la vacuna neumocócica conjugada con la proteína D de Haemophilus influenzae y la VNC de 13 valencias tienen un impacto comparable sobre la carga de la enfermedad neumocócica. Esta opinión ha sido emitida por entidades independientes y reconocidas de salud pública como la Organización Mundial de la Salud (OMS) y la Organización Panamericana de la Salud (OPS). El efecto neto se ve limitado por el reemplazo continuo de serotipos no incluidos en las formulaciones. Los estudios centrados en serotipos concretos deberían reconocer que el objetivo principal de la vacunación con las VNC es reducir la carga global de la enfermedad, independientemente de los serotipos contenidos en la formulación.
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Moraes et al. (2020) studied this question.
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