The World Health Organization estimates that the Ebola virus has killed more than 3,400 people in West African countries and infected twice as many since the recent outbreak began. The World Bank estimates the economic impact of Ebola will exceed $32 billion by the end of next year. This collection of images shows the effects of the epidemic over the the last month in Africa. -- By Lloyd Young

A Doctors Without Borders (MSF), health worker in protective clothing carries a child suspected of having Ebola in the MSF treatment center on Oct. 5 in Paynesville, Liberia. The girl and her mother, showing symptoms of the deadly disease, were awaiting test results for the virus. The Ebola epidemic has killed more than 3,400 people in West Africa, according to the World Health Organization. (John Moore/Getty Images)