While all spring semester courses at the University of Tennessee at Chattanooga begin as scheduled on Tuesday, Jan. 19, a temporary change in delivery format will affect some face-to-face courses. That temporary change is in effect Jan. 19-Jan. 31 only, when most courses originally planned as face-to-face will meet online before meeting in person beginning Feb. 1. During the period of Jan. 19-Jan. 31, the only courses that begin…