Effectiveness of pneumococcal vaccines in preventing pneumonia in adults, a systematic review and meta-analyses of observational studies
OPEN PloS one | 26 May 2017
M Tin Tin Htar, AL Stuurman, G Ferreira, C Alicino, K Bollaerts, C Paganino, RR Reinert, HJ Schmitt, C Trucchi, T Vestraeten and F Ansaldi
S. pneumoniae can cause a wide spectrum of diseases, including invasive pneumococcal disease and pneumonia. Two types of pneumococcal vaccines are indicated for use in adults: 23-valent pneumococcal polysaccharide vaccines (PPV23) and a 13-valent pneumococcal conjugate vaccine (PCV13).
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