A recent outbreak in Congo has claimed dozens of lives and left hundreds suffering from a flu-like illness now referred to as Disease X.
Disease X has raised global alarm due to its high fatality rate, the severity of symptoms, and the mystery surrounding its cause.
And despite international health teams being dispatched to investigate, the exact pathogen behind the outbreak remains unidentified.
The outbreak has raised alarm among global health experts, given its potential to emerge as the next pandemic threat, yet the cause of the illness remains unknown.
On The Big Story, Hongbin Jeong speaks to Professor Dale Fisher, Director, NUS Centre for Infectious Disease Emergency Response and Senior Consultant, National University Hospital, to delve deeper into what Disease X means for global health.