DEATHS RESEARCHERS AT THE MEDICAL UNIVERSITY OF SOUTH CAROLINA ARE LOOKING FOR VOLUNTEERS TO PARTICIPATE IN A STUDY OF A DEVICE THAT TREATS NASAL CONGESTION. THEY WANT TO KNOW IF THIS DEVICE COULD PREVENT VIRAL UPPER RESPIRATORY INFECTIONS LIKE THE COLD AND FLU AND POTENTIALLY COVID-19. THE DEVICE IS CALLED SIGN USE SONIC USERS BREATHE INTO IT AND THE CREATORS SAY THAT IT USES ACOUSTIC