`` Ebola is clearly a severe disease , '' Fukuda said . Mali says it has three suspected Ebola cases . Ebola has sickened 178 people , killed more than 100 , WHO says . The World Health Organization said Friday that a nurse who treated an infected Liberian man in the West African nation of Liberia is being monitored for possible Ebola.
Mali says it has three suspected Ebola cases . Ebola has sickened 178 people , killed more than 100 , WHO says . The World Health Organization said Friday that a nurse who treated an infected Liberian man in the West African nation of Liberia is being monitored for possible Ebola.