Are the pneumococcal polysaccharide vaccines effective? Meta-analysis of the prospective trials

AUTOR(ES)
FONTE

BioMed Central

RESUMO

The objective was to review the evidence of effectiveness of the polyvalent polysaccharide pneumococcal vaccine from prospective properly randomised controlled trials comparing pneumococcal vaccines with placebo in subjects who are immunocompetent and those likely to have an impaired immune system.

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