Eight people are suspected of contracting Ebola - with one case confirmed - after coming into contact with the first victim of the deadly virus in Nigeria.
Health commissioner Jide Idris said a further six people who had made contact with victim Patrick Sawyer had been quarantined in Lagos but were not showing symptoms.
As it reaches seven months since the Ebola outbreak started we take a look at the timeline of events leading up to the spread of the virus.
More than 100 British personnel are arriving in Sierra Leone to combat the Ebola outbreak in West Africa. Here's what else the UK is doing.
A man has been filmed helping an Ebola patient onto a plane without wearing any protective equipment.