The Porcine Reproductive and Respiratory Syndrome (PRRS) is a significant threat the swine industry currently faces. Therefore, ongoing efforts to improve our understanding of the disease and develop effective prevention and control strategies are critical to ensure the future of the sector. In this episode, I talk with Dr. Jianqiang Zhang about studies isolating PRRS viruses and the difference between MARC-145 and ZMAC Cell Lines when it comes to virus isolation success rates.