Pakistan, May 26 -- World Health Organisation (WHO) Director-General Tedros Adhanom Ghebreyesus said on Monday that there had been 220 suspected deaths in the current Ebola outbreak and that a delay in detecting cases meant responders were now "playing catch-up".

"We are urgently scaling up operations, but at the moment the epidemic is outpacing us," Tedros said, adding that countries bordering the Democratic Republic of Congo - the epicentre of the outbreak - should take immediate action.

The WHO has declared the outbreak of the rare Bundibugyo strain of Ebola a public health emergency of international concern.

Ebola is a deadly viral disease that spreads through direct contact with bodily fluids. It can cause severe bleeding and orga...