The head of Africa's Centres for Disease Control and Prevention warned that an uncontrolled Ebola outbreak in eastern Democratic Republic of Congo could become the worst ever recorded.

The situation is critical because the virus continues to spread despite international efforts, threatening to destabilize a region already struggling with conflict and limited healthcare infrastructure.

Confirmed cases have risen rapidly since the outbreak was declared in May 2026 [6]. While some reports indicate more than 500 people have been infected [2], other data shows more than 800 confirmed cases [3]. Fatalities are similarly disputed, with figures ranging from more than 130 deaths [1] to almost 200 [4].

Dr. John Nkengasong, head of Africa CDC, said the scale of the crisis is obscured by a lack of data. "We are missing cases," Nkengasong said [3]. He said the response is hampered by a massive gap in contact tracing. "We are missing tens of thousands of contacts of those ill with the disease," Nkengasong said [5].

World Health Organization officials said the inability to track contacts means the virus is continuing to move undetected [7]. The response effort faces multiple hurdles, including funding cuts and community backlash. Furthermore, the presence of armed rebels in eastern DRC has made it dangerous for aid workers to reach affected villages.

These combined factors have prevented the containment of the virus. Health officials said the current trajectory suggests that without a drastic increase in tracing and security, the regional death toll will continue to climb as the disease reaches new populations.

“"We are missing tens of thousands of contacts of those ill with the disease"”

The inability to trace tens of thousands of contacts suggests a systemic failure in the surveillance network, likely exacerbated by the security vacuum in eastern DRC. If the virus penetrates densely populated urban centers or crosses borders while undetected, the window for containment will close, shifting the objective from eradication to long-term mitigation of a regional pandemic.