A telephone survey of 51 veterinarians in Riverside County, southern California, USA, in
1978 and 1979 indicated that 22 dogs had been diagnosed as having Dirofilaria immitis …

Abstract In Louisiana, USA, 41 of 71 Canis latrans, 5 of 31 Vulpes fulva and one of 20
Urocyon cineroargenteus were found at autopsy to have adult Dirofilaria immitis in their …

Dogs seen at a veterinary teaching hospital were classified on the basis of their apparent
exposure to filarial worms, and their serum was examined in an enzyme-linked …

Five of 6 California sea lions necropsied over a period of 2 years at a zoo in New Orleans,
Louisiana, USA, were found to have patent Dirofilaria immitis infections. Clinical signs and …

Dirofilaria immitis, the etiological agent for heartworm disease, is a zoonotic, vector-borne
parasite. The dog is the most common natural host. Heartworm disease is present in all US …

Dirofilaria immitis was first confirmed in March, 1985, in a 7-year-old dog imported as a
puppy from France. Another case is reported in a 10-year-old dog reared in Yugoslavia …

Heartworm disease caused by Dirofilaria immitis is described in a 4‐year‐old Labrador
Retriever bitch imported to Britain from Florida, USA. This is the first recorded case of the …

From 1937, when it was first recognized, to 1977, Dirofilaria immitis infection has continued
to spread in dogs in Minnesota, USA, judging by reports from veterinary hospitals. Replies to …

Objective—To determine the prevalence and severity of pulmonary arterial lesions in cats
seropositive for heartworms (Dirofilaria immitis) but lacking adult heartworms in the heart …

A 2-year-old, neutered male domestic shorthair cat was adopted as a stray in Florida, USA.
At adoption, the cat was treated for fleas (spinosad; Comfortis VR, Elanco, Greenfield, IN …