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intraerythrocytic parasites in rodent populations of connecticut: babesia and grahamella species.a total of 612 peromyscus leucopus, 11 microtus pennsylvanicus, 21 clethrionomys gapperi, and 4 tamias striatus was collected in connecticut and examined for babesia and grahamella during 1976 and 1977. babesia antibodies were detected in sera of 9 p. leucopus collected from 4 sites. babesia parasites were not detected in the blood smears of captured rodents. subsequent splenectomy and subinoculation of blood from these rodents into susceptible animals failed to induce disease and no babesia was ...1979512755
hemotropic bacteria. 1979481540
vole agent identified as a strain of the trench fever rickettsia, rochalimaea quintana.the vole agent described by baker in 1946 was studied as an example of a bacterium that has been mistakenly regarded a rickettsia. unlike rickettsiae, the vole agent killed chicken embryos with great irregularity, multipled primarily at the surface of avian or mammalian cells and not intracellularly, produced colonies rather than plaques on chicken embryo monolayers under agar, and developed small colonies after 4 to 7 days of cultivation on blood plates. it was most conveniently cultivated on m ...1978417026
[the course of trypanosoma cruzi infection in nonsplenectomized spe rats with and without haemobartonella muris infection (author's transl)].rats were infected with h. muris from the first to the second week of their life. four weeks later 20 of the infected rats were inoculated with 1.5 x 10(5) t. cruzi. control animals were given the same number of parasites. in both experimental groups no hemoflagellate could be seen in blood smears four weeks after infection. the comparison of the course of infection of t. cruzi in rats with and without h. muris was made using t- and wilcoxon-test for pair differences. rats with h. muris infectio ...1977414392
taxonomic relationship of vole agent to rochalimaea quintana.we investigated the recent claim that the vole agent, a rickettsia-like microorganism isolated from wild voles by baker in 1946, is actually a strain of rochalimaea quintana, the etiological agent of trench fever. the two organisms were compared on the basis of percent guanine-plus-cytosine content, genome size, deoxyribonucleic acid-deoxyribonucleic acid hybridization, polypeptide composition, and serological relationships. although the two organisms do have identical or nearly identical deoxyr ...1979393636
[verruga peruana in ecuador. apropos of 3 cases].three cases of peruvian verruca, one autoctonous from the town of guayaquil (ecuador), are described by the authors. a comparative study with the peruvian cases is made.1977364206
enzyme immunoassay of antibody to rochalimaea quintana: diagnosis of trench fever and serologic cross-reactions among other rickettsiae.enzyme immunoassay (eia) tests were used to diagnose trench fever and to determine cross-reactions of rochalimaea quintana with other rickettsiae. the results were compared with those obtained by counterimmunoelectrophoresis (cie). all sera from cases of primary or relapsed forms of trench fever were positive both in eia, with serum antibody titers of 1:20-1:640, and in cie, giving one to three precipitin lines. sera from patients with other rickettsial infections were also tested for reactivity ...1978351072
enzyme immunoassay and radioimmunoprecipitation tests for the detection of antibodies to rochalimaea (rickettsia) quintana. 1977320604
[presence of the parasite bartonella bacilliformis in the blood and its recovery in thymectomized mice. strains: 049, 35, 12 and 15]. 1977279054
[anemias secondary to parasitosis]. 197898817
a passive hemagglutination test for diagnosis of trench fever due to rochalimaea quintana.a passive hemagglutination test devised for diagnosis of trench fever was easily performed and highly sensitive and specific. tanned sheep erythrocytes were sensitized with soluble antigen from rochalimaea quintana. the test detected antibody in six of seven cases of primary infection and in four cases of late, relapsed trench fever. titers of antibody ranged from 1:20 to 1:640. although both igm and igg antibody to r. quintana were detected by passive hemagglutination, igg appeared to be the ma ...197663526
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