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

We document the absence of carriage of Neisseria meningitidis W-135 of exhaust tips for chrysler 300 the sequence type 11 in returning pilgrims after the Hajj 2002.This finding contrasts with the 15% carriage rate we previously reported in pilgrims returning from the Hajj 2001.The epidemiology of carriage may orly impressions be changing or may have been controlled by vaccination and a policy of administering antibiotics to pilgrims from countries with a high incidence of meningococcal disease.