The Ebola outbreak in the Democratic Republic of Congo has now reached over 5,000 cases, with a death toll exceeding 2,300, according to government data released Wednesday. Health officials and responders are warning that the epidemic is spreading at an unprecedented speed, overwhelming efforts to contain it in some of the nation's most remote areas. The current outbreak has infected and killed more people at a greater pace than any other in history, and the World Health Organization estimates it may surpass the 2014-2016 West Africa outbreak, which recorded more than 11,000 deaths.

Data as of Sunday indicated 5,021 cases, including 2,378 deaths, with the outbreak raging under challenging conditions exacerbated by insecurity, displacement, and significant population movement. The speed of its spread is roughly three times faster than the deadliest previous outbreak on record. "We must be frank: the epidemic is far from being under control," said WHO Director-General Tedros Adhanom Ghebreyesus, noting the high risk of further national and international spread.

Health workers are facing exhaustion and poor working conditions, with some instances of unpaid wages leading to strikes. "If the managers don’t take things seriously, we too will end up withdrawing. The way this epidemic is being managed is exhausting," a nurse in Ituri’s capital, Bunia, told The Associated Press. A significant challenge has been the lack of approved vaccines or treatments for the specific Bundibugyo virus responsible for this outbreak.

Most new cases are being reported outside of monitored populations, indicating the virus has spread rapidly and left surveillance teams struggling to keep pace. The Ituri province, which has been hit hardest, is also a site of violence that has impeded response efforts, with health workers being targeted. In one incident on Monday, residents attacked a health team in the territory of Aru after a suspected case was reported, setting fire to an ambulance and damaging other vehicles.

"It is essential to bring the response closer to the people, particularly in rural, mining and displacement areas," explained Dr. Martin Cwinyay, who is involved in the Ituri response efforts. Trish Newport, an emergency coordinator with Doctors Without Borders, highlighted a critical information gap: "The community needs to be aware about the outbreak. They need to be involved in the response. They need to know what the signs and symptoms are and what to do if they get sick."

Experts believe the virus may have begun spreading from the mining town of Mongbwalu as early as February, months before authorities officially declared the outbreak on May 15. Responders are also contending with threats from rebel groups, the trauma of communities affected by years of conflict, and difficult road access to affected territories. While the 2014-2016 outbreak is considered the deadliest by total deaths, this Bundibugyo outbreak has a higher case fatality rate in some areas, suggesting that care and support are not reaching patients quickly enough, or that many individuals are not reporting symptoms until they are severely ill. The case fatality rate stands at 47.4% overall, but it reaches 70% in North Kivu province, where response efforts are particularly challenging.

Family members mourn a loved one during an Ebola burial in the Democratic Republic of the Congo. A child's grave marked with a shoe in a cemetery in Bunia, Democratic Republic of Congo, amid an Ebola outbreak.