Introduction: To examine the epidemiology of pneumococcal infection in Galicia (Spain) after the incorporation of the pneumococcal conjugate vaccine, and to determine serotype distribution, antibiotic susceptibility, risk factors and associated mortality in cases of invasive pneumococcal disease (IPD) during 2011 and 2012.
Methods: All strains causing IPD in Galicia were studied. Serotyping was performed by agglutination and Quellung reaction.