Respiratory diseases in cats can be caused by viruses, bacteria, fungi, or parasites. Understanding the causative agents is essential because it not only guides diagnostic testing but also informs the treatment plan. In this episode, Dr. Brandon Dominguez and Dr. Cathy Campbell chat with Dr. Megan Schroeder, molecular diagnostics assistant section head, to discuss the causes of respiratory disease in cats and the TVMDL testing options practitioners may consider to get ahead of the spread.