Hoch, H. and K. Strickland (2008). "Canine and feline dirofilariasis: life cycle, pathophysiology, and diagnosis." Comp Contin Edu Vet 30(3): 133-141.
The heartworm, Dirofilaria immitis
, infects many animal species, including dogs and cats. While cats are resistant to heartworm infection, they may suffer infection rates 5-20% of the local canine rate. The American Heartworm Society released new guidelines on feline heartworm in 2007. It is important to understand the pathophysiology of heartworm disease in cats, and to educate pet owners that cats are at risk, even if they live 100% indoors.
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