Nigeria, Oct. 22 -- The Director-General of the Africa Centres for Disease Control and Prevention (Africa CDC), Jean Kaseya, has called on Nigeria's first confirmed Ebola patient to disclose her complete travel history and possible contacts during a recent visit to Uganda to help health authorities establish how she contracted the virus.

Mr Kaseya said the woman, who was born in Uganda but resides in Abuja, spent several days in her home country before her husband, a diplomat, travelled to join her. The couple subsequently returned to Nigeria on 3 October.

Speaking during an interview on Channels Television's The Morning Brief on Thursday, Mr Kaseya said investigators were seeking additional information about the woman's movements, incl...