Abstract
Objectives To determine the accurateness of detecting community-acquired pneumonia (CAP) in the Community-Acquired Pneumonia immunization Trial in Adults (CAPiTA), a community-based, double-blind, randomized placebo-controlled trial in which the needed to treat (NNT) for prevention of vaccine-type pneumococcal CAP was 1,007 [95% confidence interval (CI): 613, 2,646]. Study Design and Setting
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