The effectiveness of the polysaccharide pneumococcal vaccine for the prevention of hospitalizations due to Streptococcus pneumoniae community-acquired pneumonia in the elderly differs between the sexes

Wiemken TL, Carrico RM, Klein SL, Jonsson CB, Peyrani P, Kelley RR, Aliberti S, Blasi F, Fernandez-Gonzalez R, Lopardo G, Ramirez JA; CAPO Investigators. The effectiveness of the polysaccharide pneumococcal vaccine for the prevention of hospitalizations due to Streptococcus pneumoniae community-acquired pneumonia in the elderly differs between the sexes: results from the Community-Acquired Pneumonia Organization (CAPO) international cohort study. Vaccine. 2014; 32(19): 2198-203.