1. Rabies (this can be spread to people)
  2. Canine parvovirus infection (“parvo”)
  3. Canine distemper
  4. Leptospirosis
  5. Canine adenovirus-2
  6. Canine parainfluenza
  7. Canine enteric coronavirus
  8. Canine influenza
  9. Lyme disease
  10. Bordetellosis (“kennel cough”)
  11. Heartworm disease
  12. Intestinal worms (roundworms, hookworms, whipworms, tapeworms, etc., some of which can also infect people)