Nigeria has reported no additional Ebola infections after all 62 people linked to the country’s first confirmed case completed their 21-day monitoring period without developing symptoms.
The Nigeria Centre for Disease Control announced the development on Friday, November 13, marking an encouraging step in efforts to prevent the virus from spreading.
According to Africanews, health authorities have not identified any further infections since the initial case was confirmed in October.
However, officials must continue surveillance before Nigeria can be formally declared free of Ebola.
Nigeria completes Ebola contact monitoring
Nigeria confirmed its first reported case on October 20, after a Swiss woman returning to Abuja from Uganda tested positive for the virus.
Health authorities identified 62 people who had contact with the patient.
Each person underwent monitoring for 21 days, the maximum commonly recognised incubation period for Ebola.
By November 13, all 62 contacts had completed monitoring without showing signs of infection.
The development suggests that the initial case has not resulted in any detected secondary infections in Nigeria.
Nevertheless, authorities remain cautious because the absence of symptoms among known contacts does not automatically end the country’s Ebola surveillance requirements.
Patient recovers after treatment in Switzerland
The infected woman received medical treatment in Switzerland and has since recovered.
Authorities identified the infection as the Bundibugyo strain of Ebola, which has also been associated with an outbreak in the Democratic Republic of Congo.
According to Africanews, the strain was first detected in the DRC during the current outbreak in May.
The outbreak has since affected several countries in the region, with cases also reported in Uganda and Kenya.
Meanwhile, health officials continue working to prevent further cross-border transmission.
Nigeria must complete 42 days without infection
Although the monitoring results are encouraging, Nigeria has not yet completed the period required for an Ebola-free declaration.
Under World Health Organization protocols, authorities generally monitor for 42 days after the last confirmed case is no longer considered infectious.
This period represents twice the virus’s maximum incubation period.
Consequently, Nigeria must continue surveillance and remain alert for any additional infections.
The 21-day monitoring milestone is therefore an important achievement, rather than confirmation that all Ebola-related risks have ended.
Vaccine trials continue amid regional outbreak
The Bundibugyo strain presents additional challenges for public health authorities.
Unlike the Zaire Ebola strain, which has an approved vaccine, there is currently no licensed vaccine specifically for Bundibugyo Ebola.
Africanews reports that clinical trials involving two candidate vaccines are underway.
The outlet also reports that the wider outbreak has affected more than 11,000 people, with nearly half of those infected dying.
These figures highlight the seriousness of the regional health emergency.
For Nigeria, however, the completion of contact monitoring without further detected infections offers an encouraging sign.
Health authorities will continue surveillance as the country works towards meeting the requirements for an Ebola-free declaration.