Swine Disease Reporting System (SDRS) Report 25, Published March 2nd, 2021. In this episode, we shared aggregate data from participating veterinary diagnostic laboratories (VDLs) in the United States of America until February 2021. In today`s episode, we invited Dr. Cesar Corzo (University of Minnesota) for an important discussion about PRRS 1-4-4, PRRSV activity during this winter season, and aggregated data for animal health interventions.