Swine Disease Reporting System (SDRS) Report 57, Published November 1st, 2022. In this episode, we shared aggregate data from participating veterinary diagnostic laboratories (VDLs) in the United States of America until Ocotber 2022. In today`s episode, we invited Dr. Andréia Gonçalves Arruda (Ohio State University) for an important discussion about spatial epidemiology applied to PRRSV regional control, Herd repopulation, and impact of multiple PRRSV strains in production systems.