The Virginia Regional Animal Health Laboratory System (RAHLS) and the Virginia Tech Animal Laboratory Services (ViTALS) are veterinary diagnostic laboratories located in the state of Virginia. The mission of these laboratories is to provide accurate, high-quality, and timely veterinary diagnostic services to maintain the health and well-being of production and companion animals. The Virginia Animal Diagnostics newsletter is a joint quarterly publication between the Virginia Department of Agriculture and Consumer Services and the Virginia Tech Animal Laboratory Services.