Three people in King County were potentially exposed to hantavirus, but Dr. Peter Rabinowitz, co-director of the University of Washington (UW) Alliance for Pandemic Preparedness, said the local risk isn’t what worries him. His greater concern is that the world remains unprepared for the next pandemic. Rabinowitz told “The Gee and Ursula Show” on KIRO Newsradio that the people in King County have shown no signs of infection, but the incident unde…