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、 2021年6月1日 (火) 10:40
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==pathogen==
*''Neisseria meningitidis''
*gram negative diplococci
*carriage in nasopharynx
*12 identified capsular serogroups
*common pathogenic serogroup A, B, C, W, X, Y
*seasonal epidemics by group A, C
*sporadic cases by e.g. group B
==epidemiology==
*highest < 2 y/o and adolescent