Serogroup A<i>Neisseria meningitidis</i>with Reduced Susceptibility to Ciprofloxacin

Abstract excerpt

To the Editor: Reduced susceptibility to ciprofloxacin of Neisseria meningitidis has been reported with increasing frequency since 1992, mainly because of mutations in the quinolone resistance determining regions (QRDRs) of the gyrase and topoisomerase IV genes (1,2). Reduced fluoroquinolone susceptibility due to gyrase A mutations in serogroup A strains has previously been reported from a 2005 outbreak in Delhi,...

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