Prevnar, the vaccine against the pneumococcus bacterium, is one of the greatest pharmaceutical innovations of the past two decades.
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There is also a slight decrease in the number of cases occurring in the people over 65, who were apparently catching pneumococcus from kids.
He bases them around one fact: That when the pneumococcus strains covered by Prevnar are eliminated, other bacteria fill in the empty ecological niche, so cases go up.
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