Part 3/9:
While media outlets often focus on Disease X as an impending crisis, the reality is different. Diseases like Zika, Ebola, Lyme disease, and Crimean-Congo Hemorrhagic Fever qualify as "Disease X" because they've either emerged suddenly or expanded in scope, catching health systems unprepared. These examples demonstrate that Disease X has already happened multiple times—these are the outbreaks and epidemics that blindsided health authorities.