There are no consistent clinical signs of heartworm disease in cats. (clearlakevetclinic.com)
At this time, there is not a commercially available vaccine for the prevention of heartworm disease in dogs or cats. (heartwormsociety.org)
The treatment of heartworm disease in dogs and cats is challenging and unpleasant with no guarantees for complete recovery. (doylestownveterinaryhospital.com)