Measles has all but disappeared from the United States for the past decade but risks a comeback due to a growing number of parents who refuse to vaccinate children, experts said Thursday.
Dec 05, 2013
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The United Nations on Tuesday launched a $2.2 billion appeal for a campaign to halt a cholera epidemic in Haiti, widely blamed on UN peacekeepers, which has killed more than 7,750 people.
Dec 12, 2012
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