World Health Organization says 1,937 people have died since outbreak in August . The WHO has said the virus is spread by close contact with infected animals and that it can be transmitted through contaminated food or water. Expert : Failure to import adequate stocks of water-treating chemicals behind disease . Cholera has spread to neighboring countries South Africa and Botswana .
World Health Organization says 1,937 people have died since outbreak in August . Cholera epidemic comes as Zimbabwe faces worst economic crisis . Expert : Failure to import adequate stocks of water-treating chemicals behind disease . Cholera has spread to neighboring countries South Africa and Botswana .