An outbreak of Ebola, which has left more than 660 people dead across west Africa, has now spread to Nigeria.
A Liberian man vomited on board an aeroplane bound for Nigeria and later died upon arrival in the country.
The 40-year-old had recently lost his sister to the disease, reports suggested.
Nigerian health officials said all ports of entry into Nigeria had been placed on "red alert".
The disease has now infected at least 1,093 people in Sierra Leone, Liberia, Guinea, and now Nigeria.
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.