Congo Ebola outbreak may be 'worst ever'

The head of Africa's Centres for Disease Control and Prevention warned that the Ebola outbreak in Congo could be the worst ever, saying Tuesday that it could cost billions ‌of dollars to contain later if critical weaknesses in the response are not addressed quickly.

More than 800 cases of the rare Bundibugyo strain, for which there is no proven treatment or vaccine, have been reported in Congo, 192 of them fatal.

The disease, transmitted through body fluids even after death, is spreading fast ac ...