The Ebola virus is killing 70% of the people who contract the disease. As the Ebola death toll tally went up to 4447 cases with majority of recorded in West Africa; the World Health Organization (WHO) warned that the number of new cases may rise up to 10000 a week within two months if efforts to control the epidemic are not stepped-up. WHO Assistant Director-General Bruce Aylward also added that the rate of new infections has slowed down in some areas reported the BBC. The UN agency said that the total number of Ebola cases including fatal cases have risen to 8914 so