Ebola death toll in Congo reaches 600 as suspected cases raise spread concerns in new province

Congo’s Ebola outbreak has reached 600 deaths, and health officials are investigating suspected cases in Kisangani, a major city in Tshopo province that had not previously been affected.

The latest figures also put the outbreak at 1,759 confirmed cases, according to reporting based on Congolese health authorities and the World Health Organization.

The suspected cases in Kisangani matter because any confirmed infection there would suggest the outbreak has moved beyond its current epicenter in eastern Congo and could complicate contact tracing and containment.

Possible spread to Kisangani

One of the suspected cases under investigation in Kisangani is linked to Nia-Nia in Ituri province, where the outbreak began. The second suspected case has no clear epidemiological connection to known infected zones.

That makes the second case especially significant for investigators. If it is confirmed, officials would need to determine whether it points to a separate chain of transmission or another route of spread into a new area.

Kisangani is a major city in Tshopo province, so any confirmed spread there would raise the logistical and public-health stakes for nearby communities.

Outbreak timeline

Congo declared the latest Ebola outbreak on May 15. By July 6, AP had reported 506 deaths and 1,561 cases.

The death toll then rose further through the week, reflecting the continued pace of transmission in the affected areas.

Researchers also began an Ebola treatment trial in eastern Congo in early July. The reporting says the trial includes remdesivir and the antibody treatment MBP134.

The outbreak is caused by the Bundibugyo strain of Ebola virus. In the reporting cited here, there is no approved vaccine or treatment specifically identified for this strain.

Operational strain on the response

The response effort has also been under strain. Health workers in the outbreak zone have reported delayed pay, and in some areas they have gone on strike over compensation issues.

Those disruptions matter in an Ebola response because containment depends on rapid isolation, contact tracing, safe burials, and consistent surveillance. Any interruption can make it harder to track chains of transmission before they widen.

Insecurity in eastern Congo adds another layer of difficulty for teams working in the field, especially in areas already struggling with underfunding and limited resources.

What officials are watching next

Authorities are now trying to confirm whether the Kisangani suspicions are laboratory-positive and whether the cases are linked to travel from Ituri or a separate chain of transmission.

They are also watching for updated case and death counts from Congo health authorities or the WHO, along with any change in the status of the worker pay dispute.

For now, the outbreak is moving into a more dangerous phase. The death toll milestone is serious on its own, and the possibility of geographic expansion into a previously unaffected province raises the risk that containment will become harder.