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Review: pneumococcal vaccination is not effective for preventing pneumonia, bacteraemia, bronchitis, or mortality

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Is pneumococcal vaccination effective for various clinical outcomes in adults?


Included studies compared pneumococcal polysaccharide vaccine with placebo, other vaccines, or no intervention (control). Studies of children; evaluation of antibody responses only or pneumococcal polysaccharide vaccines as a booster after conjugate pneumococcal vaccine; or animal, laboratory, and observational intervention studies were excluded. Outcomes were definitive pneumococcal pneumonia, presumptive pneumococcal pneumonia, all-cause pneumonia, bacteraemia or invasive pneumococcal disease, bronchitis, all-cause mortality, pneumonia mortality, and mortality from pneumococcal infection.


Medline (1966 to May 2007), EMBASE/Excerpta Medica (1974 to May 2007), Cochrane Central Register of Controlled Trials, Latin American and …

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  • Source of funding: World Health Organization.