'First line of defence' against rare Ebola outbreak 'has collapsed' Metro.co.uk Ebola: Largest ever outbreak of rare strain 'likely even greater' – and the 'first line of defence' has collapsed Sky News Ebola disease caused by Bundibugyo virus, Democratic Republic of the Congo & Uganda World Health Organization (WHO) Ebola one month on: will the latest outbreak in DRC become the most deadly yet? The Guardian True scale of Congo Ebola outbreak still unknown one month in, responders say Reuters