UNIVERSITY OF CONNECTICUT IMAGE: ASSOCIATE PROFESSOR STEVEN SZCZEPANEK (STANDING, LEFT) WITH GRADUATE STUDENTS TYLER GAVITT (SEATED) AND ARLIND MARA (STANDING, RIGHT). CREDIT: JASON SHELDON/UCONN PHOTO Researchers in the College of Agriculture, Health and Natural Resources are working to unlock a decades-long mystery that has hampered development of a walking pneumonia vaccine. Associate Professor Steven Szczepanek and Professor...