Fig. 2From: Global genomic pathogen surveillance to inform vaccine strategies: a decade-long expedition in pneumococcal genomicsSerotype formulation of pneumococcal vaccines that are currently available and in development. Serotypes included in each vaccine are coloured. Compared to PCV7 serotypes, the additional serotypes in other formulations are coloured in blue (PCV10), yellow (PNEUMOSIL), pink (PCV13), green (PCV15), orange (PCV20), purple (PCV24) and in dotted pattern (PPV23). 1SII, Serum Institute of India; 2PPV23 is a pneumococcal polysaccharide vaccine which is not immunogenic in children under 2 years of ageBack to article page