Elena's first day as full-time faculty at the university arrived with autumn rain and genuine anxiety she hadn't anticipated. She'd led international research institutions, coordinated global crisis response, made decisions affecting millions of lives. Yet standing in front of a classroom of forty undergraduate students, she felt unexpectedly nervous.
"Epidemiology and Public Health Response," she said, writing the course title on the board. "Over this semester, we're going to examine how diseases spread through populations, how institutions respond to threats, and how policy decisions affect outcomes."
A student in the third row raised her hand. "Are you going to talk about the adaptive pathogen? My mom's a vaccination center administrator in Kenya. She said understanding how that thing
