CINCINNATI--(BUSINESS WIRE)--Chillier weather isn’t the only dreaded winter guest. The Centers for Disease Control and Prevention (CDC) recently announced that the flu has reached epidemic levels in the U.S. due to a severe strain and a less effective flu vaccine.1 To help organizations keep employees healthy amidst cold and flu season, Cintas Corporation (NASDAQ: CTAS), a leader in first-aid and safety programs, today announced four illness-fighting tips. To help alleviate aches that occur dur