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The World Health Organization on Sunday declared an Ebola outbreak in the Democratic Republic of Congo and Uganda a "public health emergency of international concern."The latest epidemic, which has been caused by the Bundibugyo virus, does not yet meet the criteria of a "pandemic emergency," the organization said.But with a rising number of cases, at least 80 suspected deaths and no approved vaccine, fears are mounting over how effectively the outbreak can be contained. Here's what to know. https://t.co/fpw ...