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.
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?
In a Facebook Q&A on the Ebola virus for ITV News, an expert discussed risks, potential vaccines and what would happen if it came to the UK.