24/7 LiveChicago & Suburban Cook Co.North SuburbsWest SuburbsSouth SuburbsNW Indiana Health officials believe the Ebola strain was undetected for up to three months. ByTom Soufi Burridge, Dragana Jovanovic, Aicha El Hammar Castano and Sarah Baniak Thursday, May 28, 2026 4:57PM Doctors and public health workers at the epicenter of the Ebola outbreak in eastern Democratic Republic of Congo (DRC) told ABC News that the deadly virus is still spreading at an alarming rate.