PRO/AH/EDR> Equine piroplasmosis – USA: (TN) horses

Other Animal Disease — United States
The state veterinarian’s office is investigating an outbreak of equine piroplasmosis [EP] in a group of racing quarter horses in the midstate [Tennessee, USA].
22 horses have tested positive for EP in 5 locations within Bedford, Rutherford, and Williamson counties. The horses are all under quarantine and being treated.
EP is a blood parasite affecting equines. The disease is not contagious to humans. Although it can be transmitted through infected ticks, it is more commonly spread by