FDA Approves Use Of Zika Virus Blood Screener From Hologic And Grifols By: Benzinga via Benzinga June 20, 2016 at 16:55 PM EDT Hologic Inc (NASDAQ: HOLX) and Grifols, S.A. (NASDAQ: GRFS) announced Monday that they won FDA approval for the use of the Procleix ... Read More >> Related Stocks: Grifols S.A. ADR Hologic Inc