July 15, 2013 6:44 am Mosquito Bites Can Cause Heartworm in Dogs Mosquito bites are known to transmit a heart disease called heartworm in dogs. The worms plug arteries inside infected dogs, which can eventually lead to heart disease if the animal is not treated. US & World Videos 1:16 National recognition for a Bay Area teen fighting big tobacco 1:11 Total body nuclear medicine PET scan continues to evolve 1:02 Google productivity expert authors guide to boost wellness 2:23 Watch: Feeling and showing the impact of organ donation 1:07 Watch: Autism specialist discusses rise in children on the spectrum