Publication

Impact of pneumococcal conjugate vaccines on hospitalizations for pneumonia in the United States

Authored by:

Wiese AD, Griffin MR, Grijalva CG

Full Citation:

Wiese AD, Griffin MR, Grijalva CG 2019. Impact of pneumococcal conjugate vaccines on hospitalizations for pneumonia in the United States. Expert Review of Vaccines. 18(4).

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Additional key concepts from this publication:

Immunization can help protect unimmunized children, adults and the elderly through herd effects.

Key Evidence: According to some studies, hospitalizations from all causes of pneumonia declined in 18-39 year old adults in the U.S. by 26% 4 years after PCV7 vaccine was included in the infant vaccination schedule and by a further 12% with the first 2 years after PCV13 replaced PCV7. Though reductions in older age groups were not statistically significant, other U.S. studies showed significant reductions in pneumonia hospitalization rates in all adult age groups, including the elderly.