Ebola outbreak raises concerns over spread, expert says CTV NewsAmerican tests positive for Ebola virus amid outbreak in Congo and Uganda: CDC CBCEpidemic 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)U.S. doctor tests positive for Ebola, CDC says The Globe and MailOpinion | Why Congo’s Ebola outbreak is far more alarming than hantavirus The Washington Post