Nigeria’s health ministry announced on Tuesday that laboratory tests confirmed a case of Ebola in Abuja. The report said the patient had been infected with the virus, marking what authorities described as the country’s first case. Abuja is one of Nigeria’s largest urban centers, so the detection has prompted close scrutiny from public health officials. Federal authorities are expected to trace the patient’s contacts and investigate how the infection occurred. The case has also put local hospitals on alert for symptoms and possible cases that may have gone undiagnosed. Health workers are expected to isolate and treat the patient while monitoring people who were exposed. The response will test Nigeria’s ability to contain the virus before it spreads further.