Effectiveness of Pneumococcal Conjugate Vaccines (PCV7 and PCV13) against Invasive Pneumococcal Disease among Children under Two Years of Age in Germany.

PLoS One · 2016 · PMC4985133 · PMID 27526117

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did not reach statistical significanceno p-value reported

Due to the quick disappearance of vaccine serotypes after start of vaccination, many VE estimates for single serotypes did not reach statistical significance.

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