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Table 2 Temporal changes in the Group B Streptococcus Serotype distribution from the same geographic region (Fajikunda) in The Gambia: 20 years apart

From: Associations between nasopharyngeal carriage of Group B Streptococcus and other respiratory pathogens during early infancy

Study Year Description Total number of isolates % with serotype
  Ia II III IV V VI VII VIII NT
Ref 24 May 1992 to February 1993 Maternal and infant colonization 32a 19 28 6 3 38 - - b - b 6
Present study July 2011 and May 2012 Infant colonization 133 7.5 34.6 0.8 6.0 37.6 0.8 3.8 0.8 1.5
  1. aLancefield grouping was performed for only serotypes I-VI and did not include serotypes VI-IX