Heartworm is a preventable but potentially fatal parasite that primarily infects dogs, cats and ferrets. While we have made great strides in advancing knowledge about heartworm disease and protecting pets through heartworm prevention, persistent misinformation about heartworm continues to threaten pet health. Pet owners can access the latest and most trusted information on heartworm prevention from the AVMA and the American Heartworm Society by visiting the AVMA website. View AVMA's heartworm disease webpage to learn more.
Heartworm prevention: Know the facts to protect your pets
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