Outbreak and spread  of chikungunya.
D000330:Aedes / Q000821:virology; D000351:Africa, Eastern / Q000453:epidemiology; D018354:Alphavirus Infections / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D000818:Animals; D018771:Arthralgia / Q000821:virology; D001210:Asia, Southeastern / Q000453:epidemiology; D001211:Asia, Western / Q000453:epidemiology; D002646:Chikungunya virus; D004196:Disease Outbreaks / Q000517:prevention & control; D014943:Global Health; D006801:Humans; D007303:Insect Vectors / Q000821:virology