Fig. 1From: Prevalence and serotype distribution of nasopharyngeal carriage of Streptococcus pneumoniae among healthy children under 5 years of age in Hainan Province, ChinaSerotype distribution of pneumococci isolated from Hainan Province among children under 5 years of age (n = 737). NT nontypeable serotype, PCV13 13-valent pneumococcal conjugate vaccineBack to article page