Heartworm is a serious and potentially fatal condition caused by parasitic worms that live in the heart, and blood vessels that supply blood to the lungs of infected animals.
Pets can contract heartworm disease from mosquitoes that are infected with heartworm parasites. When an infected mosquito bites an uninfected dog, it injects the immature worms into the tissue of the animal through its saliva. Take a moment to learn more about Heartworm Disease
