It is estimated that a million dogs test positive for heartworms every year in the United States. The severity of this disease is measured in the number of worms that they have. Once infected, a dog may have 30 or more worms in their heart and lungs. Since this is such a serious disease, it’s important for dogs to have regular tests to determine whether or not they are infected.
The American Veterinary Medical Association (AVMA) states that all dogs …