Vaccine against pneumococcal infections has led to widespread reduction in serious disease
Vaccination with the pneumococcal conjugate vaccine-7 [PCV7 -- a vaccine that covers 7 strains (serotypes) of Streptococcus pneumoniae is linked to ov...
Source: http://feeds.sciencedaily.com/~r/sciencedaily/health_medicine/~3/tAfPPWwvPdk/130924174329.htm
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