From Prairie Meadows news release Posted: 4/20/16 Prairie Meadows Casino, Racetrack, and Hotel will implement additional Equine Herpesvirus-1 (EHV-1) bio-security protocols effective immediately. Prairie Meadows is set to open its 2016 Thoroughbred racing season on Thursday, April 28. “The track is not under quarantine and we have had no positive tests for EHV-1 here,” said [...]