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To reveal the population structure of invasive Neisseria meningitidis isolates after the initiation of an A + C vaccination program in China.Multilocus sequence typing (MLST) and PorA typing were used to characterize 238 invasive N. meningitidis isolates collected in China between 2005 and 2012.During this period, sequence type (ST)-5, ST-4821 and ST-11 complexes were dominant among serogroups A,...
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