The Pennsylvania Department of Agriculture has lifted a quarantine on two barns at Parx Racing in Bensalem, Pa., according to a spokeswoman for the department.
The department lifted the quarantine after tests on 74 horses in the barns were negative for equine herpesvirus, a highly contagious disease that has disrupted racing and training at Parx all winter. The horses in the barns were exposed to the virus three weeks ago by a filly who showed signs of the disease before being removed to a private farm.