What is heartworm disease and can you please tell me in a very simple manner a little about it? It just seems so confusing. And what I need to do to prevent my dog from getting heartworm disease?

Heartworms are parasites that are transmitted to animals via mosquitoes. They cause disease in some species, such as dogs and cats.

Heartworm disease is a serious disease, with clinical signs including coughing, wheezing, exercise intolerance, and weight loss. The great news is, it easy to prevent. There are many easy-to-administer preventatives that your vet can prescribe.

I have an article – hopefully it is easy to follow – that goes into more detail: HEARTWORM DISEASE IN DOGS