Mystery ‘Disease X’ outbreak widens as WHO sends team to DR Congo South China Morning PostMysterious Disease X Kills Scores In Democratic Republic Of The Congo Forbes‘Disease X’ Outbreak Widens as UN Sends Health Team to Congo BloombergVideo: Doctors aren’t yet sure what the illness is that killed 143 people within 2 weeks CNNUndiagnosed disease in Congo puts children, malnourished at risk, WHO says Reuters