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Fig. 3 | Pneumonia

Fig. 3

From: Streptococcus pneumoniae outbreaks and implications for transmission and control: a systematic review

Fig. 3

Pneumococcal lower respiratory tract infection outbreak serotypes and coverage by pneumococcal vaccines. Green: both the 13-valent pneumococcal conjugate vaccine (PCV13) and 23-valent pneumococcal polysaccharide vaccine (PPSV23) cover the indicated serotype. Blue: only PPSV23 covers the indicated serotype. Hatched bars indicate serogroups that have subtypes covered by the vaccines, but the specific serotype within the serogroup was not consistently reported across publications. The graph is subdivided by vaccine era; PPSV only (1977–1999) and PPSV/PCV (2000–2017)

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