As the snow melts, people begin their yearly spring cleaning and start to venture into garages, sheds, barns, and cabins rarely used in the wintertime. At least rarely used by humans. Rats and mice can often be found inhabiting these unused spaces. Exposure to these animals, their droppings, urine, or nests increases the risk of contracting a rare and deadly disease called Hantavirus Pulmonary Syndrome, or HPS. You can help protect yourself and your family from HPS by understanding its sources, symptoms, treatment, and prevention.