On 2nd of February the government of Comoros declared a cholera outbreak. Comoros is an archipelago off the coast of East Africa comprise of three islands: Grande Comores, Anjouan and Moheli. MSF emergency teams mainly intervened in Anjouan the epicentre of the epidemic and Moheli. As of July 27th, Comoros numbered 10342 of cumulated cases. Thanks to an approach combining case management and mass vaccination, the epidemic has been brought under control.