At least 10 people have contracted the Ebola virus in Nigeria, up from seven at the last count, according to the country's health minister.
All of them had primary contact with Patrick Sawyer who collapsed on arrival at Lagos airport on July 25th, Onyebuchi Chukwu told a news conference.
Sawyer was one of two people who died from the disease.
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.