Publications

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vector competence of ixodes angustus (acari: ixodidae) for borrelia burgdorferi sensu stricto.the vector competence of ixodes angustus for borrelia burgdorferi sensu stricto (s.s.) was investigated in the laboratory. the larval progeny of female ticks from washington state were placed on swiss-webster mice that had been inoculated intravenously with 10(8) spirochetes each of a californian isolate of b. burgdorferi. spirochetes were detected in 6 (12%) of 50 nymphs derived from larvae that had fed on these animals. ten nymphs from the same cohort of experimentally infected ticks were plac ...200010823359
detection of babesia and anaplasma species in rabbits from texas and georgia, usa.rabbits have been shown to harbor a suite of zoonotic organisms, including a babesia species, borrelia burgdorferi, and anaplasma phagocytophilum. in this study, we conducted a molecular survey for various tick-borne pathogens in three species of rabbits from texas and georgia. of 18 black-tailed jackrabbits (lepus californicus) tested from texas, six (28%) were polymerase chain reaction (pcr) positive for babesia, and nucleotide sequencing revealed two distinct species or strains. two jackrabbi ...200616584322
prevalence and diversity of tick-borne pathogens in nymphal ixodes scapularis (acari: ixodidae) in eastern national parks.tick-borne pathogens transmitted by ixodes scapularis say (acari: ixodidae), also known as the deer tick or blacklegged tick, are increasing in incidence and geographic distribution in the united states. we examined the risk of tick-borne disease exposure in 9 national parks across six northeastern and mid-atlantic states and the district of columbia in 2014 and 2015. to assess the recreational risk to park visitors, we sampled for ticks along frequently used trails and calculated the density of ...201628028138
preview: lyme disease vaccines.lyme disease is a tick-borne spirochetal disease that is common in rhode island. the osp a based vaccine against lyme disease that has been shown effective in animal models has now been tested by two manufacturers in thousands of people. the vaccines appear to be safe and effective. when the vaccines become available to physicians, there should be strong demand in rhode island, especially in the southern part of the state where there is a high degree of public awareness and experience with lyme ...199815580796
is ixodes (ixodiopsis) angustus a vector of lyme disease in washington state? 20092741454
spatial distribution of seroprevalence for anaplasma phagocytophilum, borrelia burgdorferi, ehrlichia canis, and dirofilaria immitis in dogs in washington, oregon, and california.background: in the us little spatially defined information regarding exposure to most vector-borne pathogens in dogs is available for the states of california (ca), oregon (or), and washington (wa). objectives: the purpose of the present study was to evaluate the spatial distribution of seroprevalence for 4 vector-borne pathogens, anaplasma phagocytophilum, borrelia burgdorferi, ehrlichia canis, and dirofilaria immitis, across the 3 western coastal states of the contiguous united states that ext ...201121827514
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