CNN(@CNN):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.

2026.05.17 16:00

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.