New Delhi, Oct. 8 -- The patient, a Kenyan man, had been living in Congo for seven years and started feeling ill a month ago. He had traveled by road to Uganda, before boarding a flight to the Kenyan capital on Saturday. There, he tested positive for the Ebola virus in a hospital and died Monday.

The Africa CDC Director-General, Jean Kaseya, told The Associated Press in an interview on Tuesday that all stakeholders need to ask themselves how one case could have driven and flown to so many places without anyone noticing.

"We need to ensure that at point of entry, we have a strong surveillance system in place," he said.

Ebola is highly contagious and spreads in the human population through contact with bodily fluids such as vomit, blood ...