A hospital in Toronto is treating a patient with flu-like symptoms who recently visited Nigeria, where a state of emergency has been declared over the Ebola outbreak.
The patient has been isolated at the Brampton, Ontario hospital as a precautionary measure, CBS News reported.
The World Health Organisation said the spread of Ebola - which has killed nearly 1,000 people - was an international health emergency.
UK trials of a vaccine for the Ebola virus began today - but some experts complain that the response has been a long time coming.
A Swansea doctor who took leave to treat Ebola patients in Africa, is back on the wards after three weeks in isolation.
The first British case of Ebola in the outbreak in West Africa has been confirmed. So how would repatriation work are what are the risks?