“…Most diseases caused by S. pneumoniae are due to approximately 20 types. For American and European vaccine recipients, polysaccharides specific for types 1,2,3,4,6,8,12,14,19,23,25,51, and 56 (American serotype numbers) are recommended (5). For recipients in Africa and Southwest Asia, types 45 and 46 (Danish serotype numbers; Danish serotypes 45 and 46 are American serotypes 72 and 73 of S. pneumoniae) are also recommended (5).…”