Where did cholera originate?

Cholera was originally endemic to the Indian subcontinent, with the Ganges River likely serving as a contamination reservoir. The disease spread by trade routes (land and sea) to Russia, then to Western Europe, and from Europe to North America during the Irish immigration period. Cholera is no longer considered a pressing http://wiki.answers.com/Q/Where_did_Cholera_start# threat in Europe and North America due to filtering and chlorination of water supplies, but still heavily affects populations in developing countries.

Thx dude who answered where it's from!