Publications

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lyme disease vector, ixodes dammini, identified in nova scotia. 19902334999
first isolation of lyme disease spirochete, borrelia burgdorferi, from blacklegged tick, ixodes scapularis, removed from a bird in nova scotia, canada. 199910726372
birds disperse ixodid (acari: ixodidae) and borrelia burgdorferi-infected ticks in canada.a total of 152 ixodid ticks (acari: ixodidae) consisting of nine species was collected from 82 passerine birds (33 species) in 14 locations in canada from 1996 to 2000. the lyme disease spirochete borrelia burgdorferi johnson, schmidt, hyde, steigerwaldt & brenner was cultured from the nymph of a blacklegged tick, ixodes scapularis say, that had been removed from a common yellowthroat, geothlypis trichas l., from bon portage island, nova scotia. as a result of bird movement, a nymphal i. scapula ...200111476328
genetic diversity in ixodes scapularis (acari: ixodidae) from six established populations in canada.although ixodes scapularis is the most important vector of borrelia burgdorferi sensu stricto, the causative agent of lyme disease in north america, little is known of the genetic diversity in this tick species within the recently established populations in canada. in the present study, 153 i. scapularis adults collected from southern canada were compared genetically using single-strand conformation polymorphism (sscp) analyses in combination with dna sequencing of the mitochondrial 16s rrna gen ...201121890067
epidemiology of lyme disease, nova scotia, canada, 2002-2013.ixodes scapularis ticks, which transmit borrelia burgdorferi, the causative agent of lyme disease (ld), are endemic to at least 6 regions of nova scotia, canada. to assess the epidemiology and prevalence of ld in nova scotia, we analyzed data from 329 persons with ld reported in nova scotia during 2002-2013. most patients reported symptoms of early localized infection with rash (89.7%), influenza-like illness (69.6%), or both; clinician-diagnosed erythema migrans was documented for 53.2%. in a s ...201526401788
different ecological niches for ticks of public health significance in canada.tick-borne diseases are a growing public health concern as their incidence and range have increased in recent decades. lyme disease is an emerging infectious disease in canada due to northward expansion of the geographic range of ixodes scapularis, the principal tick vector for the lyme disease agent borrelia burgdorferi, into central and eastern canada. in this study the geographical distributions of ixodid ticks, including i. scapularis, and environmental factors associated with their occurren ...201526131550
antibody responses to borrelia burgdorferi detected by western blot vary geographically in canada.lyme disease is emerging in eastern and central canada, and most cases are diagnosed using the two-tier serological test (enzyme immuno assay [eia] followed by western blot [wb]). simplification of this algorithm would be advantageous unless it impacts test performance. in this study, accuracy of individual proteins of the igg wb algorithm in predicting the overall test result in samples from canadians was assessed. because borrelia burgdorferi strains vary geographically in canada, geographic v ...201728182723
management of tick bites and lyme disease during pregnancy.lyme disease results from the bite of a black-legged tick, populations of which have now become established in parts of nova scotia, southeastern quebec, southern ontario from the thousand islands through the geographic regions on the north shore of lake ontario and lake erie, southeastern manitoba, and british columbia's lower mainland, fraser valley, and vancouver island. it takes more than 24 hours of attachment to transfer the spirochete borrelia burgdorferi to the bitten animal or human. th ...201223231847
bell palsy in lyme disease-endemic regions of canada: a cautionary case of occult bilateral peripheral facial nerve palsy due to lyme disease.lyme disease caused by the spirochete borrelia burgdorferi is a multisystem disorder characterized by three clinical stages: dermatologic, neurologic, and rheumatologic. the number of known lyme disease-endemic areas in canada is increasing as the range of the vector ixodes scapularis expands into the eastern and central provinces. southern ontario, nova scotia, southern manitoba, new brunswick, and southern quebec are now considered lyme disease-endemic regions in canada. the use of field surve ...201222967702
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