Characterization of Neisseria meningitidis isolates collected from 1974 to 2003 in Japan by multilocus sequence typing

In the Introduction (p. 657), However, with the introduction of a meningococcal vaccine, the number of cases has rapidly decreased, and at present stands at only approximately ten per year for meningococcal meningitis should read However, without the introduction of a meningococcal vaccine, the number of cases has rapidly decreased, and at present stands at only approximately ten per year for meningococcal meningitis'.