The virulent virus continues to advance from its epicenter in Sierra Leone to neighboring Guinea, Liberia and Nigeria. Other West African governments are attempting to contain the outbreak, which has been declared a "public health emergency of international concern" by the World Health Organization. The United States and the United Kingdom welcomed the efforts of the World Health Organization to halt the spread of Ebola and on Saturday vowed to increase assistance to help combat the disease in West Africa. Read more http://www.cnn.com/2014/08/09/health/ebola-outbreak/