Initial samples in DR Congo unexplained outbreak positive for malaria University of Minnesota Twin CitiesUnraveling the Mystery in the DRC’s Disease Outbreak—Is It Disease X? The New York Academy of SciencesWHO Provides Update About Disease X In Democratic Republic Of The Congo ForbesDR Congo mystery illness: What we know DW (English)Mysterious illness, dubbed "disease X," has killed dozens of people in Congo, WHO says CBS News