Heartworm Disease and your newly adopted dog

Congratulations! You've adopted a new dog into your home, or maybe you have your eye on one you're interested in adopting. But wait...the dog has been through treatment for Heartworm Disease. What does that mean? 

Those of us who reside in the Northernmost part of the United States are lucky, in that the incidence of Heartworm Infections in dogs is very low; not zero, but nothing like the numbers our friends in Southern states see.  Because we rescue dogs from southern shelters, we