"Vaccine Not Always Enough to Prevent Pneumococcal Disease"

Invasive pneumococcal disease in children not always covered by current vaccine

(dailyRx News) Vaccines can be used to protect against both viruses and bacteria. But bacteria have a secret weapon that makes them harder to fight.

Bacteria can have different strains, or “serotypes,” that can make humans sick. This trick means that vaccines usually have to be designed to address as many of the different serotypes for bacterial illnesses as possible.

With invasive pneumococcal disease, the current vaccine in the US protects against 13 serotypes, but children are still getting sick from the other strains, a recent study found.

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