Fig. 1From: Nasopharyngeal carriage of Streptococcus pneumoniae in children under 5 years of age before introduction of pneumococcal vaccine (PCV10) in urban and rural districts in PakistanNumber of serotypes by study site and age group; a) Matiari (rural site) children 3-11 months of age; b) Karachi (urban site) children 3-11 months of age; and c) Karachi (urban site) children 12-59 months of ageBack to article page