Public health officials across Africa are working urgently to unpack a critical question: could two separate Ebola infections in Nigeria and Kenya be traced to a shared exposure event at Uganda’s busiest international airport earlier this month?
The Africa Centres for Disease Control and Prevention (Africa CDC) confirmed Thursday that both patients transited through Entebbe International Airport on October 3, prompting investigators to examine whether viral transmission occurred via shared airport equipment, overlapping movement in terminal spaces, or indirect contact between the two individuals. Dr. Wessam Mankoula, head of emergency preparedness and response at Africa CDC, noted this cross-path exposure remains one of the most plausible working scenarios, but emphasized no definitive connection between the two cases has been confirmed to date.
The current situation marks a concerning milestone for regional health security: Nigeria is facing its first confirmed Ebola case in over a decade, while Kenya has already logged nine infections and one death linked to the ongoing outbreak originating in the eastern Democratic Republic of Congo (DRC).
Detailed case accounts have emerged from global and local health authorities. The Nigerian patient is a 42-year-old Ugandan-born woman who resides in Abuja, married to a Swiss diplomat posted to Nigeria, the Swiss foreign ministry confirmed to Reuters. She traveled to Uganda for approximately two and a half weeks, transiting Addis Ababa, Ethiopia for a two-hour stopover before returning to Nigeria on October 3. Four days after arriving in Abuja, she developed characteristic Ebola symptoms, sought care at two private medical facilities, and received a positive test result on October 20. Her husband, who accompanied her on the Uganda trip, remains in isolation with no reported symptoms as of the latest updates, and the World Health Organization (WHO) says the patient is showing steady improvement while receiving targeted care in isolation.
The Kenyan patient, a man who traveled from the DRC through Uganda before arriving in Nairobi on the same October 3 date, later succumbed to the virus, becoming Kenya’s first recorded Ebola death in this outbreak. While both travelers passed through Entebbe on the same day, investigators have not yet confirmed whether they encountered one another, used the same airport facilities, or had any form of direct or indirect contact. Beyond the airport link, the investigation is also exploring whether both infections can be traced to a single common source outside the airport.
To date, the exact location of the Nigerian patient’s exposure remains unconfirmed. “The source of exposure is still not known. The travel history of the patient is still being pieced together,” explained Dr. Patrick Otim, a WHO emergency response official. He added that investigators have faced challenges building a full timeline of her movements, as access for interviews has been limited while she receives inpatient care.
Nigeria’s Centre for Disease Control (NCDC) has prioritized genomic sequencing of the virus sample from the patient, a step that will help scientists determine whether her infection is genetically linked to the ongoing DRC outbreak and the Kenyan cases. “The investigation is reconstructing the full travel and exposure history. Genomic sequencing is given a high priority,” noted Dr. Pavel Ursu, WHO’s representative in Nigeria. While Ugandan officials have previously stated the woman traveled to eastern DRC for business, the epicenter of the current outbreak, WHO, Africa CDC and Nigeria’s health ministry say they have not received verified confirmation of that trip. Ugandan health authorities have repeatedly stressed the country has no confirmed active Ebola cases, and the woman’s transit through the country does not automatically mean she contracted the virus there.
As the investigation progresses, Nigerian officials have expanded contact tracing efforts beyond the initial 44 people identified as potentially exposed. Mankoula told reporters most of the newly identified exposed individuals are healthcare workers who treated the patient at the two private facilities she visited before her positive test, with a small number of family contacts also added to monitoring lists. Nigerian authorities are currently isolating all high-risk contacts, though Mankoula declined to release an updated total count of monitored contacts ahead of an official government statement. Dr. Ursu confirmed the patient continues to receive high-quality clinical care and her condition remains stable.
In Kenya, public health authorities are approaching a key milestone this weekend: the first group of quarantined people who may have been exposed to Ebola will be allowed to return to their homes Sunday after completing a 21-day monitoring period with no symptom development. Kenya’s Health Director-General Dr. Patrick Amoth confirmed all nine confirmed infections in the country are directly linked to the index patient who died, with no evidence of sustained community spread detected so far. Even so, he warned “we are not out of the woods,” urging the public to maintain vigilance against the virus without unnecessary panic. The eight remaining confirmed Kenyan cases remain in isolation and are responding well to treatment, he added.
These cross-border cases have renewed longstanding concerns about Ebola spread across porous African borders, particularly between the DRC and Uganda, where thousands of people cross the shared border every day for trade, work, and family visits. Dr. Otim noted the border is long and poorly secured, with many unofficial crossing points that make comprehensive screening of all travelers impossible. The WHO’s Africa regional director Dr. Mohamed Janabi has called for coordinated “regional vigilance” to counter the outbreak, urging all neighboring countries to strengthen routine disease surveillance, speed up investigation of suspected cases, and prioritize protection for frontline healthcare workers who face the highest exposure risk.
As a reminder for the public, Ebola is a severe viral pathogen that spreads through direct contact with an infected person’s blood or other bodily fluids, or through contact with contaminated surfaces or equipment. It does not spread through airborne transmission like influenza or the common cold. Symptoms include high fever, extreme muscle weakness, vomiting and diarrhea, and the disease can be fatal in a high share of cases if left untreated. Importantly, infected people are not contagious before they develop symptoms. Global health authorities emphasize that rapid contact tracing, immediate isolation of suspected cases, and early clinical intervention are the most critical steps to prevent large-scale secondary transmission.









