Vaccine syringe

Vacunas vs. superbacterias

LONDRES – El brote del virus Zika, al igual que el Ébola antes, ha resaltado el riesgo que las enfermedades infecciosas pueden plantear para la salud de países enteros -y la importancia de las vacunas para combatir las epidemias de rápida propagación-. Por cierto, ya hay esfuerzos en marcha para encontrar maneras de inocular a la gente contra ambos virus.

Sin embargo, las vacunas también juegan un papel crucial a la hora de protegernos contra una amenaza mucho más letal y mucho más predecible: las infecciones resistentes a los medicamentos.

A diferencia de los brotes inesperados y de rápida expansión como la epidemia de Zika, la resistencia a los antimicrobianos es como un accidente de auto en cámara lenta que ya ha comenzado. Los patógenos resistentes causan unas 700.000 muertes cada año. Si no tomamos las precauciones necesarias, matarán a unos diez millones de personas por año para 2050.

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