The head of the WHO warned on Monday that a rapidly growing Ebola outbreak in the Democratic Republic of Congo and Uganda "will get worse before it gets better."

WHO warns the Ebola outbreak in the Democratic Republic of Congo poses a serious cross-border threat as cases rise and no approved vaccine exists for the Bundibugyo strain.

The Ebola outbreak in central Africa is spreading rapidly, with almost 867 suspected cases and 204 deaths reported in Congo as of late Saturday by the health ministry. The World…