Owners of unvaccinated dogs are advised to temporarily avoid bringing pets to Chesnut Park in Palm Harbor after the discovery of canine distemper virus in a raccoon prompts vaccination reminder. As a precautionary measure, Pinellas County Animal Services is advising pet owners to refrain from bringing puppies, senior dogs, unvaccinated dogs or dogs that may have compromised immune systems to John Chesnut Sr. Park, 2200 East Lake Road in Palm Harbor, until further notice.