Stephen Lewis is the former deputy executive director of UNICEF and the former Canadian ambassador to the United Nations. He co-directs AIDS-Free World, a global advocacy organization working to address the underlying causes of HIV and AIDS. The opinions expressed in this commentary are his own.
(CNN)For years the United Nations denied bringing to Haiti a devastating cholera epidemic that has killed more than 11,000 people and left more than 880,000 infected. Now, after admitting its mistake and vowing to make amends, the UN has betrayed the people of Haiti once again.