The National Animal Health Laboratory Network (NAHLN) says 274 new cases of porcine epidemic diarrhea virus (PEDV) were confirmed the week ending March 12, bringing the grand total to 4,458, which signals the previous week's tally was revised higher. Arizona has two confirmed case of PEDV, bringing the total number of states with positive PEDV cases to 27.
Iowa, the No. 1 pork-producing state in the nation, continues to lead the number of total confirmed cases at 1,521, up 165 from last week. Minnesota follows with 701 confirmed cases, up 107 from last week and North Carolina is third of the list at 486 cases, up 50 from last week.