Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleWHO boss warns cases will rise as deaths reach 139The World Health Organization (WHO) has declared a rare Ebola outbreak a public health emergency of international concern. WHO Director-General Tedros Adhanom Ghebreyesus made this unprecedented declaration over the weekend, prior to an emergency committee meeting. The outbreak involves the rare Bundibugyo strain, with approximately 600 suspected cases and 139 suspected deaths expected to rise. Experts are concerned as the virus circulated undetected for weeks in a densely populated, conflict-affected area. A doctor from Uganda, who had contact with an infected patient, is being transferred to a hospital in Prague as a precaution, though showing no symptoms. In fullEbola latest: WHO boss warns cases will rise as deaths reach 139Thank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

Dozens of people have died in the latest Ebola outbreak that has spread across the border of the Democratic Republic of Congo with further fears more people could become infected

"There are significant uncertainties to the true number of infected persons and geographic spread," the Geneva-based body warned

* Says at least 90 deaths recorded so far in DR Congo, Uganda