susceptibility of mosquitoes in central taiwan to natural infections of dirofilaria immitis.from october 1997 to september 1998, 3085 culex quinquefasciatus (say) (diptera: culicidae), 584 cx. tritaeniorhynchus (giles) (diptera: culicidae), 392 cx. annulus (theobald) (diptera: culicidae), 374 aedes albopictus (skuse) (diptera: culicidae) and 102 armigeres subalbatus (coquillet) (diptera: culicidae) were collected and examined for dirofilaria immitis (leidy) (spirurida: filariidae) infection. however, only cx. quinquefasciatus and ae. albopictus were infected, with a prevalence of 4.28% ...200111297103
human pulmonary dirofilariasis in taiwan.pulmonary dirofilariasis is a rare zoonotic disease in the united states. most reported cases were from the southeastern or gulf states. the disease is caused by dirofilaria immitis (dog heartworm), a filarial nematode, and is transmitted to humans by mosquitoes. a 69-year-old asymptomatic man was found to have a pulmonary nodular lesion on chest x-ray during routine health examination. the lesion was resected, and pulmonary dirofilariasis was diagnosed based on histological findings. postoperat ...200312684611
subcutaneous dirofilariasis caused by dirofilaria immitis mimicking a large epidermal cyst. 200616643162
the comparison of spatial variation and risk factors between mosquito-borne and tick-borne diseases: seroepidemiology of ehrlichia canis, anaplasma species, and dirofilaria immitis in dogs.canine ehrlichiosis/anaplasmosis and heartworm diseases are vector-borne and zoonotic infections. to compare epidemiology of these vector-borne diseases, a community-based study was conducted to determine the seroprevalence and risk factors of ehrlichia canis, anaplasma sp. and dirofilaria immitis infections among healthy pet dogs. prevalence distribution patterns were geographically contrasting between tick-borne e. canis/anaplasma sp. infections and mosquito-borne d. immitis infection. althoug ...201222925931
dirofilaria immitis exposure status in client-owned cats with or without lower airway/lung-associated signs: case-control study in a canine heartworm-endemic area.objectives heartworm-associated respiratory disease (hard) is a recently recognised pathological manifestation in cats caused by dirofilaria immitis exposure. this study aimed to estimate the percentage of cats at risk of developing hard in a heartworm-endemic area (taipei, taiwan), and to test the correlation of heartworm exposure and the presence of lower airway/lung clinical signs (la/l signs). methods this was a prospective case-control study. the study design called for the enrolment of at ...201726620647
prevalence of canine dirofilariasis in taiwan.between 1993 and 1997, 837 stray dogs from north taiwan were necropsied and examined for dog heartworm infections. a thick smear from 20 ml of peripheral blood from each dog was also prepared and examined for microfilariae (mf). the overall prevalence of adult worms in the dog population was 57%. the prevalence of mf in 1228 house dogs from different parts of taiwan was also determined from 20 ml of peripheral blood in the same way. the overall prevalence of mf was 25%, with a value of 30% in th ...200312590670
seroepidemiologic survey of dirofilaria immitis infection among domestic dogs in taipei city and mountain aboriginal districts in taiwan (1998-1999).to estimate the seroprevalence of dirofilaria immitis infection in domestic dogs in taiwan, we utilized a commercial elisa kit (snap, idexx, usa) for detecting circulating antigens released by adult female worms. serum specimens of 664 domestic dogs sampled from taipei city in northern taiwan and 14 mountain aboriginal districts in eastern taiwan were screened for d. immitis antigens. multivariate-adjusted odds ratios (ors) with their 95% confidence intervals (cis) were estimated by multiple log ...200111705657
canine filarial infections in north assess the current status of dirofilaria immitis infection and to determine whether there were other canine filarial infections in north taiwan, postmortem examination was conducted in 180 stray dogs more than 12 months old. blood and serum samples were examined using a modified knott's test and an antigen-detecting enzyme-linked immunosorbent assay (elisa) kit, respectively. filarial infection was found in 60.6% of the dogs: 55% with d. immitis and 12.2% dipetalonema reconditum. moreover, th ...19979352007
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