Risk factors for tick exposure in suburban settings in the Northeastern United States

Publication date: Available online 21 November 2017 Source:Ticks and Tick-borne Diseases Author(s): P. Mead, S. Hook, S. Niesobecki, J. Ray, J. Meek, M. Delorey, C. Prue, A. Hinckley Prevention of tick-borne diseases requires an understanding of when and where exposure to ticks is most likely. We used an epidemiologic approach to define these parameters for residents of a Lyme-endemic region. Two persons in each of 500 Connecticut households were asked to complete a log each night for one week during June, 2013. Participants recorded their whereabouts in 15min increments (indoors, outdoors in their yard, outdoors on others’ private property, or outdoors in public spaces) and noted each day whether they found a tick on themselves. Demographic and household information was also collected. Logs were completed for 934 participants in 471 households yielding 51,895 time-place observations. Median participant age was 49 years (range 2–91 years); 52% were female. Ninety-one participants (9.8%) reported finding a tick during the week, with slightly higher rates among females and minors. Household factors positively associated with finding a tick included having indoor/outdoor pets (odds ratio (OR)=1.7; 95% confidence interval (CI): 1.1–2.9), the presence of a bird feeder in the yard (OR=1.9; CI:1.2–3.2), and presence of an outdoor dining area (OR=2.2; CI:1.1–4.3). Individual factors associated with finding a tick on a given day were bathing or showering...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research

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Lyme disease (LD) is an increasing public health problem. Current laboratory testing is insensitive in early infection, the stage at which appropriate treatment is most effective in preventing disease sequelae. The Lyme Disease Biobank (LDB) collects samples from individuals with symptoms consistent with early LD presenting with or without erythema migrans (EM) or an annular, expanding skin lesion and uninfected individuals from areas of endemicity. Samples were collected from 550 participants (298 cases and 252 controls) according to institutional review board-approved protocols and shipped to a centralized biorepository....
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Immunoassays Source Type: research
The laboratory diagnosis of Lyme disease relies upon serologic testing. A standard or modified two-tiered testing algorithm is used to enhance the accuracy of antibody detection. However, this approach suffers from a lack of sensitivity in early Lyme disease. Ongoing efforts to develop more sensitive antibody detection technologies and other diagnostic approaches are dependent upon the availability of quality-assured biospecimens linked to reliable clinical data. In this issue of the Journal of Clinical Microbiology, Horn et al. (E. J. Horn, G. Dempsey, A. M. Schotthoefer, U. L. Prisco, et al., J Clin Microbiol 58:e00032-2...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Commentary Source Type: research
Lyme borreliosis is a tick-borne disease caused by the Borrelia burgdorferi sensu lato complex. Bio-Rad Laboratories has developed a fully automated multiplex bead-based assay for the detection of IgM and IgG antibodies to B. burgdorferi. The BioPlex 2200 Lyme Total assay exhibits an improved rate of seropositivity in patients with early Lyme infection. Asymptomatic subjects from endemic and nonendemic origins demonstrated a seroreactivity rate of approximately 4% that was similar to other commercial assays evaluated in this study. Coupled to this result was the observation that the Lyme Total assay retained a high first-t...
Source: Journal of Clinical Microbiology - Category: Microbiology Authors: Tags: Immunoassays Source Type: research
Lyme disease is a tick-borne spirochete illness with multi-system involvement. Although neurological manifestations of Lyme disease are becoming increasingly well recognized, its psychiatric presentations are not well known. Physicians need to be aware of its neuropsychiatric symptoms that may present months to years later. Endemic areas to Borellia Burgdorferi also have higher rates of schizophrenia. Prompt diagnosis and effective treatment is need to to avoid irreversible neuropsychiatric complications.
Source: The American Journal of Geriatric Psychiatry - Category: Geriatrics Authors: Tags: Poster Number: EI-12 Source Type: research
Conclusions: This study found a high incidence of Lyme disease in Lithuania. We elucidated the baseline characteristics regarding the infected Lithuanian population which may ease medical clinicians' work on new Lyme diagnoses. PMID: 32151097 [PubMed - in process]
Source: Medicina (Kaunas) - Category: Universities & Medical Training Authors: Tags: Medicina (Kaunas) Source Type: research
CONCLUSIONS: This review has concentrated on I scapularis-transmitted diseases affecting the Upper Midwest and has explored the ecology of the I scapularis vector and its role in pathogen transmission. PMID: 32348066 [PubMed - in process]
Source: WMJ - Category: General Medicine Authors: Tags: WMJ Source Type: research
Abstract Ixodes scapularis is currently known to transmit 7 pathogens responsible for Lyme disease, anaplasmosis, babesiosis, tick-borne relapsing fever, ehrlichiosis, and Powassan encephalitis. Ixodes scapularis can also be colonized by endosymbiotic bacteria including those in the genus of Rickettsia. We screened 459 I. scapularis ticks submitted to the Connecticut Agricultural Experiment Station Tick Testing Laboratory with the objectives to (1) examine differences in infection prevalence of Borrelia burgdorferi, Anaplasma phagocytophilum, Babesia microti, and Borrelia miyamotoi, (2) evaluate whether prevalence...
Source: The Journal of Parasitology - Category: Parasitology Authors: Tags: J Parasitol Source Type: research
ConclusionThis study of the clinical spectrum of LD in Canadian children underlines the need for preventive measures to protect children in Canada from emerging LD, and the need for health care provider awareness.
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
AbstractPurpose of reviewThis review describes mosquito- and tick-borne diseases found in the Western Hemisphere. It focuses on emerging diseases and recent geographic shifts in the presence of disease vectors.Recent FindingsMosquito and tick vectors have become more widespread as environmental conditions have become more favorable. Zika recently has emerged as a concern for fetal anomalies. West Nile Virus has become widespread. Lyme disease and other tick-borne diseases are more prevalent in areas previously inhospitable to these ticks.SummaryHealthcare providers must consider the possibility of mosquito- and tick-borne ...
Source: Current Emergency and Hospital Medicine Reports - Category: Emergency Medicine Source Type: research
Publication date: Available online 29 July 2019Source: Ticks and Tick-borne DiseasesAuthor(s): Sara Niesobecki, AmberJean Hansen, Heather Rutz, Shaylee Mehta, Katherine Feldman, James Meek, Linda Niccolai, Sarah Hook, Alison HinckleyAbstractAs part of a TickNET collaboration we evaluated the knowledge, attitudes, and behaviors related to tick-borne disease (TBD) prevention among persons living in endemic areas of Connecticut (CT) and Maryland (MD). Up-to-date information on the use of various prevention methods, as well as attitudes toward available and potential prevention options, is critical for effective promotion of r...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
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