Parvo is a highly contagious disease with a high moratlity rate in dogs.  The protective protein capsule of parvovirus contributes to its uniqueness and deadliness because of its subsequent ability to survive in the environment for long periods of time (up to one year in some reports).  Tune in and learn everything you need to know about canine parvovirus.  E-mail all comments or questions for Dr. Roger to address on the air to comments@web-dvm.net.