Publications

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genetic variation and epidemiology of echinococcus granulosus in argentina.polymerase chain reaction-ribosomal its-1 dna (rdna) restriction fragment length polymorphism (pcr-rflp) analysis and sequencing of the mitochondrial cytochrome c oxidase subunit 1 (co1) and nadh dehydrogenase 1 (nd1) genes were used to characterize 33 echinococcus granulosus isolates collected from different regions and hosts in argentina, and to determine which genotypes occurred in humans with cystic hydatid disease. the results of the study demonstrated the presence of at least 4 distinct ge ...199910363285
diagnosis of cystic echinococcosis on sheep farms in the south of argentina: areas with a control program.in 2000 guarnera et al. proposed using elisa in canine faeces collected from the ground to detect dogs infected with echinococcus granulosus, thus determining sheep farms with active transmission. the objective was to evaluate the prevalence of e. granulosus infection in sheep farms of the patagonia. sheep farms were randomly selected in the provinces of río negro, chubut, neuquén, santa cruz and tierra del fuego (areas with control programs) and la pampa (comparison area). from one to three sam ...200415725535
epidemiology of toxocariasis in a steppe environment: the patagonia study.to investigate the epidemiology of human toxocariasis in a steppe environment, a field survey was carried out in three provinces of argentina's patagonia (chubut, neuquen, and rio negro) among 114 rural subjects residing in estancias (cattle- or sheep-breeding ranches). overall seroprevalence was 31.6%, and the contamination rate of soil by toxocara eggs was 35.1%. bivariate and multivariate analyses were performed for various exposure variables and also for the de martonne aridity-humidity inde ...200717556626
internal parasites of free-ranging guanacos from patagonia.in the winter of 2000, a greater than 80% reduction in the guanaco population located in cabo dos bahi;as wildlife reserve, chubut, argentina, was evident due to massive mortality attributed to starvation. twelve guanacos were necropsied and samples were analyzed at the parasitology laboratory of facultad de ciencias veterinarias, universidad nacional del litoral. fecal analysis revealed developmental stages of nematodirus sp., marshallagia sp., trichuris sp. and eimeria spp. histopathological a ...200314651877
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