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Think 12 Resource Center

Think 12 is an ongoing initiative through which the American Heartworm Society provides educational materials, including articles, fact sheets, posters, videos and other tools that help pet owners understand the need to administer heartworm preventives 12 months a year and test pets for heartworm every 12 months. Year-round prevention and annual testing are recommended by American Heartworm Society, and form the foundation of their guidelines for heartworm prevention and diagnosis.

New Think 12 materials and tools are produced each month, and are made available to veterinary professionals and pet owners free of charge. Think 12 materials can be downloaded and displayed, printed as handouts—or used in clinic newsletters or on social media platforms. Check the Think 12 Resource Center frequently for new materials or browse through our archives for educational tools on the topic of your choice.

Think 12 Fact Sheets

Prevention all year long

There is no "off-season" for heartworm prevention and treatment. The handouts below make perfect value-added conversation starters with clients and prospective patients. Feel free to print and distribute in your practice.

Why Your Dog Needs an Annual Heartworm Check-up

Category: Fact Sheets
Canine | Prevention | Diagnosis


5 Facts About Heartworm Disease

Category: Fact Sheets
Canine | Feline | Prevention | Diagnosis | Treatment | Exotics


What if My Dog Tests Positive for Heartworms

The news that a dog has tested positive for heartworms can be scary for a dog owner. This fact sheet outline what to expect during treatment and how to ensure your pet stays heartworm-free in the future.

Category: Fact Sheets
Canine | Prevention | Diagnosis | Treatment | Shelters | Veterinary Professionals | Pet Owners

Download PDF

The days are getting shorter, the nights are cooler, leaves are starting to turn, and football season is here. But that doesn’t mean your clients can forget about protecting their pets from heartworms.

To keep this message front and center with your clients, we’re sharing a set of new posters you can print OR post on your Facebook or Instagram page.

  • To save or print a poster, just click on the image below, then click on the “download” button and save the PDF file.
  • To save a poster for use on your social pages, simply open the downloaded poster, then right click on the file and follow the menu instructions to save the file as a JPEG image.

For more client tools, be sure to visit the Resource Center. And if you don’t already, make sure you’re sharing our Facebook and Instagram posts!