Fast-moving Ebola outpacing response efforts: WHO chief The Canberra Times With Ebola, we need to learn from past failures | Letters The Guardian WHO upgrades risk assessment for Ebola outbreak in DRC to 'very high' Australian Broadcasting Corporation Epidemic of Ebola Disease caused by Bundibugyo virus in the Democratic Republic of the Congo and Uganda determined a public health emergency of international concern World Health Organization (WHO) Ebola outbreak poses massive challenges, warns nur