DAKAR: Congo’s ‌Ebola outbreak has spread to a new health zone in the northeastern province of Ituri, authorities ​said on Wednesday, as fresh infections underline sustained transmission more than three weeks after the epidemic was declared.

The health ministry said Tchomia, about 50 kilometers south of the provincial capital Bunia on the shores of Lake Albert, has ‌become the latest ‌affected health zone, ​bringing ‌the ⁠total number ​of affected ⁠zones to 26 nationwide and 18 in Ituri province, which accounts for more than 94 percent of confirmed cases.

A health zone in Congo’s health care system covers a defined area with a network of ⁠clinics and a referral hospital.

The ‌government’s latest ‌situation report said 37 new confirmed ​cases, including 12 ‌deaths, were reported in the previous 24 ‌hours, all in Ituri.

The outbreak has so far recorded 635 confirmed cases and 127 deaths across three eastern provinces.