Ebola has devastated their economies, severely damaged the social fabric of their nations and killed more than 11,000 people.
Liberia's President Ellen Johnson Sirleaf, speaking on behalf of the three countries, told a high-level U.N. conference that international support will give millions of people a chance to rebuild their lives and promote regional stability and world trade.
"The world as a whole has a great stake in how we together respond to this global threat," she said, adding that "virus diseases, just like terrorism, know no national boundaries."
