Cholera is on the rise in Haiti after heavy rain from Hurricane Sandy. Haitian officials have confirmed nearly 4,000 cases of the disease.

The International Organization for Migration says the number of cholera cases are increasing in camps in the capital city of Port-au-Prince.

The group has distributed some 10,000 cholera kits to 31 camps in the area.

Cholera spreads through water. Haiti's lack of sufficient sanitation and sewage makes it more vulnerable.

Haiti was spared a direct hit from Sandy but received heavy rain.

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