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The aim of this study was to determine the prevalence and distribution of canine dirofilariosis from different districts of the Mazovian Province in central-eastern Poland. 462 dogs aged from 1.5-14 years were examined for dirofilariosis. Blood samples were examined for the presence of microfilariae using the Knott method, as well as the method of Kingston and Morton, after centrifugation in ha...

Dogs infected with Dirofilaria immitis, Ehrlichia canis, or Borrelia burgdorferi may show nonspecific clinical signs or may be asymptomatic. In Brazil, E. canis and D. immitis infections are frequently diagnosed based on the presence of classical signs; however, serologic tests are seldom performed to confirm the presence of infection. To estimate the seroprevalence of these three canine diseas...

The amino acid analysis of the purified allergen from Dirofilaria immitis revealed that it had a total number of 98 amino acid residues. The allergen was remarkably rich on glutamic acid (15 residues), lysine (14 residues) and aspartic acid (12 residues). No half-cystine was obtained. The ratio of the acidic residues to the basic ones was 1.4. The weak positive charge of the allergen is contrib...

The heartworm Dirofilaria immitis is a filarial parasitic nematode infecting dogs and other mammals worldwide causing fatal complications. Here, we present the first large-scale survey of the adult heartworm transcriptome by generation and analysis of 4005 expressed sequence tags, identifying about 1800 genes and expanding the available sequence information for the parasite significantly. Brugi...

A case of periocular dirofilariasis has been diagnosed in Iran. A 27-yr old female referred with a history of edema and redness in the left eye since 2 wk ago. On slit lamp examination, a moving thread-like worm was seen in the subconjunctival area. Two days later, a 126 mm long, live filaria worm was extracted from the lower lid subcutaneous tissue. The worm was diagnosed as, likelihood, Dirof...

Dirofilaria immitis (dog heartworm) principally infests canine hosts. However, human pulmonary dirofilariasis is being reported with increasing frequency, and the following case illustrates essential features of the disease. It typically presents as a solitary pulmonary nodule without symptoms and invariably requires pulmonary resection to differentiate it from primary or secondary malignancy.