WHO warns of 'complex' Ebola outbreak as virus spreads to Nigeria

The World Health Organization (WHO) has warned that Africa faces a "complex" Ebola outbreak after the Bundibugyo strain of the virus spread from East Africa to Nigeria, marking the first case in West Africa. Nigeria announced an imported case in the wife of a diplomat who traveled from Uganda to Abuja. Health authorities are tracking contacts and quarantining high-risk individuals. The outbreak, originating in the Democratic Republic of Congo, has become the deadliest in the country's history.