title: Meningococcal disease, serogroup W135 (update).
mesh_terms: D002050:Burkina Faso / Q000453:epidemiology; D002488:Central African Republic / Q000453:epidemiology; D005060:Europe / Q000453:epidemiology; D014943:Global Health; D006801:Humans; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000382:microbiology / Q000517:prevention & control / Q000635:transmission; D009345:Neisseria meningitidis / Q000145:classification; D009548:Niger / Q000453:epidemiology; D011159:Population Surveillance; D012529:Saudi Arabia / Q000453:epidemiology; D012703:Serotyping; D014195:Travel; D006113:United Kingdom / Q000453:epidemiology