Since the last disease outbreak news published on 19 December 2019 , 29 new confirmed cases were reported from 18 to 31 December in the ongoing Ebola virus disease (EVD) outbreak in North Kivu province. The confirmed cases in this week were reported from eight health areas in four health zones: Mabalako (62%, n =18), Butembo (14%, n =4), Kalunguta (17%, n =5), and Katwa (7%, n =2). Three of the four cases reported in Butembo in the past fourteen days are linked to a transmission chain of more than 50 people that originated in Aloya Health Area, Mabalako Health Zone. One individual classified as a relapse case of EVD, infected several other individuals within the family and through nosocomial transmission (for more information, please see the disease outbreak news published on 19 December 2019 ). In Kalunguta Health Zone, the five cases reported between 24 and 28 December 2019, are a distinct epidemiologically linked chain of transmission, although the source of exposure is currently un...