Porcine Epidemic Diarrhea Virus

The presence of Porcine Epidemic Diarrhea Virus (PEDV) was confirmed in the United States during the week of May 13, 2013. The diagnostic labs in of Iowa State University (ISU) and Minnesota State University have tested 113 positive for PEDV. PEVD is a Corona virus related to other swine viruses such as transmissible gastroenteritis virus (TGEV), porcine respiratory coronavirus (PRCV), and porcine hemmaglutinating encephalomyelitis virus (HEV). This is not a new virus, nor is it a regulatory/reportable disease. It affects pigs from all ages, but is predominantly causing mortality in the pre-weaning phase, with pre-weaning mortality rates of 95% reported. The disease is endemic in various East Asian countries.