WHO Deems The Products Of These Diagnostic Companies 'Essential' By: Benzinga via Benzinga May 22, 2018 at 15:13 PM EDT The World Health Organization published this month a list of 113 “essential” in vitro diagnostics to guide member states in ... Read More >> Related Stocks: Abbott Laboratories Bio-Techne Corp Danaher Corp Hologic Inc Opko Health Inc Quest Diagnostics Trinity Bio ADR