The World Health Organisation (WHO) warned today that a “deeply concerning” Ebola outbreak is spreading in the Democratic Republic of the Congo under “highly complex conditions”, as the agency was preparing to decide which vaccine candidates should be prioritised for clinical trials.

The WHO declared on Sunday that the Ebola outbreak in Congo and Uganda constitutes a public health emergency of international concern, with at least 80 suspected deaths reported as of Saturday, Anadolu Ajansi reported.

Anne Ancia, WHO representative in Congo, told reporters in Geneva that the outbreak caused by...