Dr Rodger Main, DVM, PhD. Director of ISU VDL supplied AASV e-Letter with an update of the number and distribution of PCR positive Senecavirus A cases submitted to the Iowa State Veterinary Diagnostic Lab between the weeks of July 26, 2015 and October 11, 2015. Click here to view the state by state distribution and a graph showing the cumulative number of PCR positive cases by farm type.