US TO DUXBURY, WHERE THEY ARE GETTING SOME HIGH-TECH HELP. RHONDELLA: THIS OURA RING WORN BY DUXBURY FIREFIGHTERS IS THE NEWEST PIECE OF VITAL GEAR. IT HELPS PROTECT AGAINST COVID-19. >> WE WERE LOOKING FOR A DEVICE TO MEASURE TEMPERATURE. THIS TOOK A BASELINE DAILY. RHONDELLA: SPI A FEVER IS A SYMP OF CORONAVIRUS. DUXBURY HAS 151 CONFIRMED POSITIVE CASES TO DATE. FIREFIGHTERS WEARING THIS