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Table 2 Streptococcus pneumoniae serotype 3 isolates from Costa Rican Children with Otitis Media (1999–2006).

From: Streptococcus pneumoniaeSerotype 3 among Costa Rican Children with Otitis Media: clinical, epidemiological characteristics and antimicrobial resistance patterns

YEAR ALL S. pneumonia SEROTYPE 3 PERCENTAGE OF TOTAL
1999 22 1 4.5
2000 13 3 9.6
2001 31 2 15.3
2002 29 3 10.3
2003 65 3 4.6
2004 74 13 17.5
2005 28 5 17.8
2006 84 9 10.7
TOTAL 346 34 9.82