Heartworm Disease: The Silent Killer That's Completely Preventable

Heartworm disease is caused by parasitic worms (Dirofilaria immitis) that live in the heart and lungs. Transmitted by mosquitoes, it can be fatal if untreated. The worms grow up to 30cm long and cause severe heart and lung damage. The good news: monthly prevention is safe, affordable, and 100% effective.