Objective—To determine prevalence of Dirofilaria immitis infection among shelter cats.
Design—Cross-sectional study. Animals—239 cats euthanatized at an animal shelter in …

The heartworm, DiroJilaria immitis, is enzootic in dogs in the United States. Diagnostic tests
for heartworm disease are usually included in the evaluation of dogs presented with …

Surveys have indicated an increased incidence of Dirofilaria immitis in cats over recent
years. Infection rates from 1% to 16% have been reported in endemic areas. In a given …

Hearts of 500 dogs more than 1 year old from a humane shelter in Columbus, Oh, were
examined for Dirofilaria immitis infection. Peripheral blood from dogs with worms in the heart …

Cats from animal shelters in Savannah, Georgia; Beaufort, South Carolina; and Baton
Rouge, Louisiana were used to determine the prevalence ofheartworm in random-source …

Serum samples from 157 cats were collected by veterinarians in Tulsa, OK and submitted for
heartworm tests with the goal of determining the local prevalence of Dirofilaria immitis …

To clarify Dirofilaria immitis infection among cats in Saitama Prefecture, Japan, 1,840 cats
were examined postmortem for adult worms and microfilariae in the blood from 1989 to …

In a survey in 1973 undertaken to determine the prevalence of Dirofilaria immitis in 100 dogs
from a public pound in western New York, 2 dogs were found to be positive. Microfilariae of …

Objective—To determine prevalences of heartworm exposure (ie, positive heartworm
antibody test results) and heartworm infection (ie, positive heartworm antigen test results or …

A total of 602 dogs at the Louisiana State University Veterinary Teaching Hospital were
tested for antibodies to Dirofilaria immitis by enzyme-linked immunosorbent assay (ELISA) …