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

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

Study	Year	Description	Total number of isolates	% with serotype
Study		Description	Total number of isolates	Ia	II	III	IV	V	VI	VII	VIII	NT
Ref 24	May 1992 to February 1993	Maternal and infant colonization	32^a	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

^aLancefield grouping was performed for only serotypes I-VI and did not include serotypes VI-IX

ISSN: 1471-2180