*“Other” includes serogroups other than A, B, C, W, and Y and cases where the serogroup was not determined; with the exception of the EU and US, which also included serogroup A.
^†Percent value indicates the proportion of meningococcal disease caused by MenW.
^‡Values rounded
^§England only

NT, non-typeable; MenW, meningococcal serogroup W; IMD, invasive meningococcal disease

References:

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