Dr Kamran Khan was warning clients in December 2025 that the epidemiology of hantavirus was changing. It was showing up in places it had never been seen before, and fatality rates were higher too. Khan's company, Blue Dot, tracks and analyzes infectious disease data from around the world. Plus, Steven Taylor, professor of psychiatry at the University of British Columbia about how COVID and other public health emergencies are influencing how people are reacting to hantavirus.