$VYST Vystar to Resume Production of Rx3000 UV Light Air Purifiers for Use in Hospitals, Healthcare Facilities http://www.globenewswire.com/news-release/2019/02/07/1712255/0/en/Vystar-to-Resume-Production-of-Rx3000-UV-Light-Air-Purifiers-for-Use-in-Hospitals-Healthcare-Facilities.html