This news item is about: Recent outbreaks of canine parvovirus in Massachusetts, New Jersey, Indiana, and elsewhere in the US have left shelters and veterinarians struggling to contain the virus and prevent further spread. Cornell University Media Relations has turned to Baker Institute director, Colin Parrish, for a list of tips for dog owners. Colin Parrish, Professor of Virology at the Baker Institute for Animal Health, Cornell University College of Veterinary Medicine, who was involved in the development of the original parvovirus vaccine and continues to study the virus, says outbreaks of parvovirus occur periodically. He gives advice to dog owners regarding what signs to look for and what to do if an animal becomes ill.