Distributions and Annual Changes of Streptococcus pneumoniae Serotypes Causing Infections in Adult Patients: Eight Years of US Surveillance (2009–2016)

摘要

BackgroundA pneumococcal polysaccharide vaccine (PPSV23) has been available for use in adults ≥65 years old since 1983 with vaccination rates of ~65% in the past decade. A conjugate vaccine (PCV13) has been recommended for adults since 2014, and for children since 2010 (replaced PCV7 which was used since 2000). The serotype distribution of pneumococci causing infections in adult patients in the US was evaluated.