WHILE CLIMBING STAIRS, EE FELT PAIN IN HIS KNEE. THE PAIN CONTINUED AND HIS KNEE BECAME SWOLLEN AND RED. HE SOUGHT MEDICAL TREATMENT AND WAS DIAGNOSED AS HAVING A STAPH INFECTION THAT REQUIRED IV ANTIBIOTIC EVERY 8 HOURS. HE WAS RELEASED TO RETURN TO WORK ON RESTRICTED DUTY UNTIL ANTIBIOTIC SERIES IS COMPLETE.