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cluster of tick-borne infections at fort chaffee, arkansas: rickettsiae and borrelia burgdorferi in ixodid ticks.human intrusion into pristine habitats increases the likelihood of acquiring infectious agents from potentially infective ticks. as part of a larger human serological investigation into tick-borne illnesses, 3,000 ixodid ticks were collected during may, august, and november 1990 at fort chaffee, arkansas. ticks were examined to determine whether they harbor rickettsiae, ehrlichiae, and borrelia burgdorferi, and to assess relationship to human exposure to tick-borne infections at fort chaffee, ar ...19921495077
coexistence of antibodies to tick-borne pathogens of babesiosis, ehrlichiosis, and lyme borreliosis in human sera.serum specimens from persons with or without lyme borreliosis were analyzed by indirect fluorescent antibody staining methods for total immunoglobulins to babesia microti, ehrlichia chaffeensis (arkansas strain), and ehrlichia equi (mrk strain). there was serologic evidence of human exposure to multiple tick-borne agents in 15 (6.6%) of 227 serum samples obtained in connecticut and minnesota. of these, 10 serum samples were from connecticut patients who had erythema migrans and antibodies to bor ...19958576376
serological responses to ehrlichia equi, ehrlichia chaffeensis, and borrelia burgdorferi in patients from new york state.serological testing at the new york state department of health for human granulocytic ehrlichiosis in the residents of westchester county, n.y., was performed with specimens from 176 patients by the indirect fluorescent-antibody (ifa) technique with ehrlichia equi mrk-infected neutrophils. to understand whether human monocytotropic ehrlichiosis also occurs in this northeastern geographic region, specimens were also tested for antibodies to ehrlichia chaffeensis arkansas. screening tests and immu ...19979276387
spiders and borrelia burgdorferi: no evidence of reservoir occurrence in central arkansas.although ixodes ticks are considered the chief vector for borrelia burgdorferi in the usa, b. burgdorferi has also been identified in mosquitoes, horse flies, and deer flies. we examined the possibility of these organisms being harbored in two species of spider in central arkansas.199910321947
provider knowledge, attitudes, and practices regarding lyme disease in arkansas.lyme disease (ld), a vector-borne disease, causes illness for many individuals in the united states. all of the conditions for the promulgation of ld are present in one southern state in the united states; yet this state reports lower numbers of ld than adjacent states. the purpose of this study was to determine associations between this southern state's primary care providers' knowledge and attitudes regarding the diagnosis and reporting of ld. a quantitative, cross-sectional study was conducte ...201525187225
a clinical review of lyme disease in arkansas.lyme disease is the most common tick-borne disease in the northern hemisphere. since it was first described more than 30 years ago, lyme disease has generated a great deal of controversy. lyme disease is not endemic in arkansas, and testing for borrelia burgdorferi can lead to clinical confusion, unnecessary treatment and excess cost. this article will present a brief review of lyme disease, with an emphasis on what is known regarding lyme disease in arkansas.201020218039
a clinical review of tick-borne diseases in arkansas.tick-borne diseases are illnesses transmitted by ticks harboring wide variety of pathogens. arkansas is reported as one of the states with a high incidence of tick-borne diseases. in arkansas the four most frequently occurring tick-borne diseases are rocky mountain spotted fever (rmsf, also known as spotted fever rickettsiosis), ehrlichiosis, tularemia and anaplasmosis. lyme disease, on the other hand, is not acquired in arkansas and is only acquired by traveling to states where lyme disease is ...201627263175
antibodies to multiple tick-borne pathogens of babesiosis, ehrlichiosis, and lyme borreliosis in white-footed mice.serum samples from peromyscus leucopus (white-footed mouse), collected in connecticut (usa) in 1983, 1985, and during 1990 to 1993, were analyzed by an enzyme-linked immunosorbent assay (elisa) or indirect fluorescent antibody (ifa) staining methods for antibodies to borrelia burgdorferi (strain 2591), babesia microti, ehrlichia chaffeensis (arkansas strain), and ehrlichia equi (mrk strain). of the 294 serum samples tested, 160 (54%) contained immunoglobulins to one or more of these pathogens. t ...19979249691
ehrlichia ewingii infection and exposure rates in dogs from the southcentral united states.we used pcr and a novel serologic assay to determine infection and exposure rates to ehrlichia ewingii in dogs from an area of northeast oklahoma and northwest arkansas where amblyomma americanum ticks are abundant. of 143 dogs assayed, 13 (9.1%) harbored e. ewingii by pcr and 64 (44.8%) had antibodies to e. ewingii detected using a peptide-based microtiter plate elisa. dogs were more likely (p=0.001) to be positive by pcr if sampled in august (30.8%) but no association was found between seropos ...201020541322
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