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serologic survey for selected infectious disease agents in swift and kit foxes from the western united states.a serologic survey of swift fox (vulpes velox) and kit fox (v. macrotis) from the western usa was conducted for 12 infectious diseases. samples from swift fox were collected between 1987 and 1992 from colorado (n = 44), kansas (n = 10), and wyoming (n = 9). samples from kit fox were collected in california (n = 86), new mexico (n = 18), utah (n = 9), and arizona (n = 6). overall antibody prevalence rates were 33 of 110 (30%) for canine parvovirus (cpv), 9 of 72 (13%) for canine distemper virus ( ...200011085448
mitochondrial dna sequence variation in ixodes pacificus (acari: ixodidae).the western black-legged tick, ixodes pacificus, is a primary vector of the spirochaete, borrelia burgdorferi, that causes lyme disease. we used variation in a 355-bp dna portion of the mitochondrial cytochrome oxidase iii gene to assess the population structure of the tick across its range from british columbia to southern california and east to utah. ixodes pacificus showed considerable haplotype diversity despite low nucleotide diversity. maximum parsimony and isolation-by-distance analyses r ...199910583539
lyme disease: additional evidence of widespread distribution. recognition of a tick-borne dermatitis-encephalitis-arthritis syndrome in an area of known ixodes tick distribution.lyme disease is a process of unknown etiology that has been linked to bites of ticks of the ixodes ricinus complex. central minnesota is an area of known ixodes dammini distribution. this case represents the first recognition of lyme disease from this area. this case presented as a fluctuating meningoencephalitis with superimposed cranial neuropathy. the characteristic skin lesion, erythema chronicum migrans, was recognized by history, and oligoarticular arthritis subsequently developed. physici ...19827072749
distribution and habitat of ixodes pacificus (acari: ixodidae) and prevalence of borrelia burgdorferi in utah.knowledge about the distribution and abundance of the western black-legged tick, ixodes pacificus cooley and kohls, in utah is limited. recent concerns over tick-borne diseases in utah, primarily lyme disease, have reinvigorated the need to understand the distribution and habitats favored by this tick species. we surveyed 157 sites throughout utah to examine the distribution, abundance, and habitat of i. pacificus. in total, 343 adult ticks were collected from 2011 to 2013. specifically, 119 i. ...201526336263
population genetic structure of ixodes pacificus (acari:ixodidae) using allozymes.genetic analysis of the population structure of the western blacklegged tick, ixodes pacificus cooley & kohls, was conducted using allozymes. this vector tick transmits the lyme disease spirochete, borrelia burgdorferi johnson, schmid, hyde, steigerwalt & brenner, in the far-western united states. it ranges from british columbia to baja california and disjunct populations are present in oregon, nevada, utah, and arizona. host-seeking adult ticks were collected from vegetation across the range of ...19979220679
surveillance of lyme disease in the united states, 1982.lyme disease is a tick-borne illness that has been reported from three regions in the united states--the northeast, midwest, and west--which correspond to the distribution of the recognized vectors of the disease, ixodes dammini and ixodes pacificus. in 1982, a surveillance system designed to define the morbidity and geographic distribution for lyme disease by using a clinical case definition received information on 491 definite cases and 38 probable cases. of the definite cases, 489 were acquir ...19853998509
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