| [presence of urban rabies in zulia state, venezuela. years 1996-2006]. | rabies is a zoonotic viral disease and in zulia state, it constitutes a public health problem of a high social impact, due to the report of cases in human beings. in this study, the presence of urban rabies was determined in zulia's state and its distribution was identified according to municipalities and affected species during 1996-2006. in the scope of a descriptive study, a documented revision of zulia's state zoonosis regional coordination registries for the period in study was carried out. ... | 2008 | 19245167 |
| genetic characterization of rabies field isolates from venezuela. | twenty samples from cases of rabies in humans and domestic animals diagnosed in venezuela between 1990 and 1994 and one sample from a vampire bat collected in 1976 were characterized by reactivity to monoclonal antibodies against the viral nucleoprotein and by patterns of nucleotide substitution in the nucleoprotein gene. three antigenic variants were found: 1, 3, and 5. antigenic variant 1 included all samples from dogs and humans infected by contact with rabid dogs. unique substitutions permit ... | 1996 | 8735118 |
| [prevalence of infection by toxocara in schoolchildren in the community of el moján, zulia state, venezuela]. | the systemic toxocariasis or migrant larva is a helminto-zoonosis caused by the migration of nematode larvae through human tissues mainly, of the canine helminth toxocara canis, which can infect humans, especially children. the aim of this study was to determine the prevalence of anti-t. canis antibodies in an infantile population. serum samples of 73 children of either sex with ages between 4 and 6 years were examined. the determination of anti-toxocara antibodies was carried out through an eli ... | 2004 | 15602901 |
| prevalence of intestinal parasites in dogs under veterinary care in maracaibo, venezuela. | the prevalence of intestinal parasites in dogs presented to the veterinary policlinic of the university of zulia (pvu) was measured between january and december 2001. a total of 614 fecal samples were evaluated by the fecal flotation method. one or more species of parasites was identified in 218 (35.5%) dogs. the parasites most frequently detected were: ancylostoma spp. (24.5%), toxocara canis (11.4%) and isospora spp. (8.1%). single parasitic infections were present in 149 (24.3%) dogs. the age ... | 2004 | 15110399 |
| ehrlichia platys (anaplasma platys) in dogs from maracaibo, venezuela: an ultrastructural study of experimental and natural infections. | since 1982 ehrlichia platys, now emended as anaplasma platys, has been diagnosed in dogs from maracaibo, venezuela, using buffy coat smears stained with dip quick. three dogs were inoculated with an a. platys strain. when parasitemia reached 60-97%, blood samples obtained from the inoculated dogs and from two naturally infected dogs were centrifuged to obtain platelet-rich plasma, which was mixed with 0.1% glutaraldehyde at 37 c for 10 minutes. platelet pellets were fixed in 3% glutaraldehyde fo ... | 2003 | 12637754 |