Stratford News More PED confirmed in Oxford County SHARE ON: Patrick Grapes, staff Tuesday, Mar. 4th, 2014 Another week brings another case of porcine epidemic diarrhea. A case of the fatal disease was confirmed at an Oxford County farm on Friday, bringing the overall number to 24 in Ontario. According to the Ontario Ministry of Agriculture of those 24 cases four are in Perth County and six are in Oxford County. PED was first found in Ontario on January 22nd at a Middlesex County operation.