Nigeria confirms Ebola case in Abuja amid regional outbreak spread

Nigeria has confirmed an Ebola case in its capital, Abuja, after a woman who had travelled from Uganda tested positive for the virus, according to the health ministry. The patient began showing symptoms on 7 October and was admitted to a hospital in Abuja four days later, where she was later diagnosed. It is not yet clear when she arrived in Nigeria, and authorities have not disclosed her nationality.

Health minister Muhammad Pate said officials had started tracing 44 people identified as contacts of the patient. He said the priority was to contain the case by identifying everyone the woman may have been in contact with. Uganda's health ministry said the patient had only transited through the country and insisted there were no confirmed active Ebola cases there.

It also said the location of exposure remained under investigation. The case adds to concern over the spread of Ebola across western Africa and beyond. Kenya confirmed its first case earlier this month and has since recorded nine infections, while Uganda had previously reported Ebola cases before later declaring itself free of the virus.

The Africa Centres for Disease Control has warned that the current Bundibugyo Ebola outbreak is a serious threat and said it has become the most geographically extensive in history, affecting several countries across three regions of Africa. Ebola is a severe viral disease with a high fatality rate, and public-health authorities treat even a single confirmed case as a major event because of the speed with which it can spread through close contact. Nigeria is Africa's most populous country, so any confirmed case there raises the stakes for surveillance, isolation and contact tracing.

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The country's health authorities had already been stepping up preparedness after cases were detected in Kenya, focusing on early detection, laboratory diagnosis, infection prevention and control, and protection of health workers. Nigeria also established an Ebola taskforce in June after the outbreak in Congo in mid-May, reflecting concern that the virus could move beyond the areas first affected. The Nigeria Centre for Disease Control said two weeks ago that it was strengthening preparedness and surveillance in response to the regional situation.

That work now appears to be under immediate test as officials try to determine whether the Abuja case represents an isolated importation or part of a wider chain of transmission. What remains unclear is where the woman was exposed and whether any of the 44 contacts will test positive. Authorities have not said how long she had been in Nigeria before symptoms began, and Uganda says the infection did not necessarily occur there.

The next developments to watch are the results of contact tracing, any additional confirmed cases, and whether health officials can contain the outbreak without wider spread in the capital or beyond.

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