The Ebola outbreak that began in the Democratic Republic of the Congo in May has now reached a fifth country. Nigeria confirmed its first case on Tuesday, October 20, the same day Kenya reported a ninth infection in its own small cluster. Health officials in both countries say they are moving quickly to trace contacts, and the World Health Organization says it is supporting the response.

Here is a clear rundown of what has been confirmed so far, based on reporting from the UN News service and Al Jazeera, AFP and Reuters.

Nigeria’s first case: a traveler from Uganda

According to Nigeria’s Federal Ministry of Health and Social Welfare, the patient is a woman who traveled to Nigeria from Uganda. The WHO says she began showing symptoms on October 7, four days after she arrived, and sought care at a private health facility in the capital, Abuja, on October 11. Laboratory testing confirmed Ebola on October 20.

She remains in isolation and is receiving care while investigators work to reconstruct her travel and exposure history and figure out where she was likely infected.

Health Minister Muhammad Pate said authorities had identified 44 people who came into contact with the patient and were working to trace them. “We are doing everything possible to contain this case by tracing all the contacts the individual may have had,” he said, as quoted by Al Jazeera.

The Nigeria Centre for Disease Control and Prevention has activated its incident management system to coordinate the response, and infection prevention measures are being stepped up at the private facility where the woman was treated.

Kenya: nine cases, one cluster

Kenya’s latest case is a 24-year-old man who was already in quarantine when he fell ill. He is a close family member of Kenya’s first patient, who had traveled from the DRC through Uganda before arriving in Kenya and died at a Nairobi hospital on October 5.

Kenya’s Director-General for Health, Patrick Amoth, said all nine cases belong to a single cluster and that, so far, there is no evidence of transmission outside that group. Officials said eight patients were stable and responding to treatment, and that 134 of 135 identified contacts had been traced and quarantined.

There is a hopeful milestone ahead: Amoth said most of the contacts in quarantine had stayed well through the 21-day monitoring period and could begin returning home from October 25. The ministry asked communities to welcome them back, saying they pose no risk of infection.

Kenya has not imposed restrictions on travel, trade or public gatherings.

The bigger picture in Central Africa

The source of this wave is the outbreak in the DRC, declared in mid-May and described by the WHO as the deadliest in the country’s history. Congolese health authorities had recorded more than 9,500 cases and more than 4,200 deaths as of October 18, according to UN News.

This outbreak involves the Bundibugyo strain of the virus. That matters because, as the WHO and other agencies have noted, there is currently no licensed vaccine for it, which makes containment depend heavily on old-fashioned public health work.

Besides the DRC, Nigeria and Kenya, Uganda faced an outbreak that was officially declared over in late August, and one case linked to the DRC was reported in the Netherlands.

What health officials are asking for

The WHO’s message is consistent: find cases quickly, follow up with every contact, and keep infection prevention strong in clinics and hospitals. It has advised countries in the region to stay on high alert, keep disease surveillance strong, and make sure laboratories can safely test suspected cases.

Notably, the WHO has not recommended travel or trade restrictions with affected countries. Its focus is on detection and containment rather than closing borders.

What this means for everyone else

For most readers, the practical takeaway is to follow guidance from official sources such as the WHO, national health ministries and your own local health authorities rather than rumors on social media. Outbreak news moves fast, and early numbers often change as investigations continue.

If you are planning travel to the region, check your government’s official travel health advice before you go, and talk to a medical professional about any concerns.

The bottom line

Nigeria’s first confirmed case widens the map of an already serious outbreak, but officials there and in Kenya are leaning on rapid isolation and contact tracing to stop further spread. The next few weeks of monitoring, especially for Nigeria’s 44 contacts, will show whether those efforts are holding.

Image: Ebola virus Makona by National Institutes of Health (NIH) via Flickr, Public Domain Mark 1.0