Abstract:Objective. The present meta-analysis study aimed to evaluate the effectiveness of 13-valent pneumococcal conjugate vaccine (PCV) in reducing the morbidity from pneumonia among children under 5 years old. Material and methods. Cochrane and Medline electronic databases were systematically searched for studies reporting effectiveness of 13-valent pneumococcal conjugate vaccine against pneumonia among children of the foreseen age group. To assess the effect measure, we used the odds ratio (OR) with 95% confidence … Show more
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