Absence of Neisseria meningitidis W-135 Electrophoretic Type 37 during the Hajj, 2002

Absence of Neisseria meningitidis W-135 Electrophoretic Type 37 during the Hajj, 2002

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We document the absence of carriage of Neisseria meningitidis W-135 of the sequence type 11 in returning pilgrims after the Hajj 2002.This finding contrasts with the 15% carriage ubahdank ipa rate we previously reported in pilgrims returning from the Hajj 2001.The epidemiology of carriage may be changing or may have been controlled by vaccination and a policy of administering antibiotics to pilgrims from countries with a high incidence lightning to usb apple of meningococcal disease.