Calling all Veterinarians and Pet Lovers - Take the "Defend Puppies. Defeat Parvo." Pledge Today to Save Puppies from Deadly Canine Parvovirus GREENFIELD, Ind., Jan. 17, 2024 /PRNewswire/ -- Elanco Animal Health Incorporated (NYSE: ELAN) today launched the first-of-its-kind, multi-year campaign to save 1 million puppies from unnecessary death from the highly contagious canine parvovirus (parvo). The Defend Puppies. Defeat Parvo. mission seeks to conquer a virus that, without timely and aggressive care, has ...