- FDA - Heartworm Prevention in Your Pet
- American Animal Hospital Association
- AAVP (American Association of Veterinary Parasitologists)
- American Veterinary Medical Association (AVMA) Animal health page
- Companion Animal Parasite Council
- Feline Heartworm Disease - Cats get heartworms too! .
- KNOWheartworms.org
RT @AHS_Think12: MYTH: My dog is on heartworm preventative, so he doesn't need to be tested. #heartworm #pethealth https://t.co/N3CUmurpOs