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Khan HA, Oskam C, Kumarasinghe P. Dermatological aspects of ticks in Australia: An update. Australas J Dermatol 2023; 64:11-17. [PMID: 36598182 DOI: 10.1111/ajd.13961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 11/17/2022] [Accepted: 11/22/2022] [Indexed: 01/05/2023]
Abstract
Ticks are ectoparasites that cause dermatologic reactions directly by their bites and indirectly as vectors of bacterial, protozoal and viral diseases. Consequences vary from minor local reactions to significant systemic sequelae and are therefore of clinical relevance to dermatologists. In this article, Australian ticks of medical importance are reviewed through the lens of dermatology.
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Affiliation(s)
- Hina Ali Khan
- St John of God Murdoch Hospital, Barry Marshall Parade, Murdoch, Western Australia, Australia
| | - Charlotte Oskam
- Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Murdoch, Western Australia, Australia
| | - Prasad Kumarasinghe
- University of Western Australia, Crawley, Western Australia, Australia.,Murdoch University, Murdoch, Western Australia, Australia
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2
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Zhou G, Xu X, Zhang Y, Yue P, Luo S, Fan Y, Chen J, Liu M, Dong Y, Li B, Kong J, Wen S, Liu A, Bao F. Antibiotic prophylaxis for prevention against Lyme disease following tick bite: an updated systematic review and meta-analysis. BMC Infect Dis 2021; 21:1141. [PMID: 34749665 PMCID: PMC8573889 DOI: 10.1186/s12879-021-06837-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 10/22/2021] [Indexed: 12/22/2022] Open
Abstract
Background In areas where Lyme disease is endemic, bites from ticks are common, but no vaccine is currently available against Lyme disease for humans. Therefore, the feasibility of using antibiotic prophylaxis to prevent Lyme disease after a tick bite is worth further exploration. Previous meta-analyses lack sufficient power to demonstrate the efficacy of about antibiotic prophylaxis for the prevention of Lyme disease following a tick bite. In this study, we explored more precise evidence and attempted to identify and update optimum treatment strategies. Methods We searched PubMed, Embase, and the Cochrane Library for studies until March 23, 2021. We included studies if the enrolled patients were randomly allocated to a treatment or control group within 72 h following a tick bite and had no clinical evidence of Lyme disease at enrolment. The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) reporting guidelines were followed for data abstraction. Two authors (GZZ and XX) independently reviewed the abstracts and identified articles for detailed assessment. We used a random-effects model to calculate the pooled results and reported the 95% confidence interval (CI). Study quality was assessed using a modified Jadad scale, and publication bias was assessed using Egger’s test. We calculated the risk ratio (RR) for the rates of unfavorable events in patients who received intervention versus the control group. This study is registered with PROSPERO, number CRD42021245002. Results Six studies (3,766 individuals) were included. The pooled rate of unfavorable events in persons receiving treatment and the control group were 0.4% (95%CI: 0.1–1.1%) and 2.2% (95%CI: 1.6–3.0%), respectively. The pooled RR was 0.38 (95%CI: 0.22–0.66). Subgroup analysis revealed that the pooled RR was 0.29 (95%CI: 0.14–0.60) in the single-use 200-mg doxycycline group; 0.28 (95%CI: 0.05–1.67) in a 10-day course group (Amoxicillin, Penicillin or tetracycline); and 0.73 (95%CI: 0.25–2.08) in a topical antibiotic treatment group (Azithromycin). Conclusions The available evidence supports the use of antibiotics for the prevention of Lyme disease, and reveals advantages of using single-dose; however, further confirmation is needed.
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Affiliation(s)
- Guozhong Zhou
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Xin Xu
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Yu Zhang
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Peng Yue
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Shiqi Luo
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Yuxin Fan
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Jingjing Chen
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Meixiao Liu
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Yan Dong
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Bingxue Li
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Jing Kong
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Shiyuan Wen
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China
| | - Aihua Liu
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China. .,Yunnan Province Key Laboratory for Tropical Infectious Diseases in Universities, Kunming Medical University, Kunming, 650500, China.
| | - Fukai Bao
- The Institute for Tropical Medicine, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, China. .,Yunnan Province Key Laboratory for Tropical Infectious Diseases in Universities, Kunming Medical University, Kunming, 650500, China.
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Marx GE, Hinckley AF, Mead PS. Post-treatment Lyme borreliosis in context: Advancing the science and patient care. THE LANCET REGIONAL HEALTH. EUROPE 2021; 6:100153. [PMID: 34557835 PMCID: PMC8454648 DOI: 10.1016/j.lanepe.2021.100153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Grace E. Marx
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Alison F. Hinckley
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention, Fort Collins, CO, USA
| | - Paul S. Mead
- Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention, Fort Collins, CO, USA
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Control of ixodid ticks and prevention of tick-borne diseases in the United States: The prospect of a new Lyme disease vaccine and the continuing problem with tick exposure on residential properties. Ticks Tick Borne Dis 2021; 12:101649. [PMID: 33549976 DOI: 10.1016/j.ttbdis.2021.101649] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/13/2020] [Accepted: 12/29/2020] [Indexed: 01/09/2023]
Abstract
In the United States, exposure to human-biting ixodid ticks can occur while spending time on residential properties or in neighborhood green spaces as well as during recreational or occupational activities on public lands. Human-biting tick species collectively transmit >15 species of pathogenic microorganisms and the national burden of tick-borne diseases is increasing. The prospect of a new Lyme disease vaccine for use in humans provides hope for substantial reduction in the >450,000 estimated annual cases of Lyme disease but this breakthrough would not reduce cases of other tick-borne diseases, such as anaplasmosis, babesiosis, ehrlichiosis, spotted fever group rickettsiosis, and Powassan encephalitis. One intriguing question is to what extent a new Lyme disease vaccine would impact the use of personal protection measures acting broadly against tick-bites. The main tick vector for Lyme disease spirochetes in the eastern United States, Ixodes scapularis, also transmits causative agents of anaplasmosis, babesiosis, and Powassan encephalitis; and this tick species co-occurs with other human-biting vectors such as Amblyomma americanum and Dermacentor variabilis. It therefore is important that a new Lyme disease vaccine does not result in reduced use of tick-bite prevention measures, such as tick repellents, permethrin-treated clothing, and frequent tick checks. Another key issue is the continuing problem with tick exposure on residential properties, which represents a heavily used outdoor environment the residents cannot reasonably avoid and where they tend to spend large amounts of time outside. As it may not be realistic to keep up daily vigilance with personal protective measures against tick-bites on residential properties during many months of every year, homeowners may also consider the option to suppress host-seeking ticks by means of deer fencing, landscaping, vegetation management, and use of products to kill host-seeking ticks or ticks infesting rodents. When considering the full range of options for actions that can be taken to suppress host-seeking ticks on residential properties, it is clear that individual homeowners face a difficult and bewildering task in deciding what to do based on very general guidance from public health agencies (developed without the benefit of a strong evidence base) and often without ready access to local public health professionals experienced in tick control. This situation is not satisfactory but cannot be corrected without first addressing knowledge gaps regarding the impact of peridomestic tick control measures on host-seeking ticks, human tick-bites, and tick-borne diseases. In parallel with this effort, there also is a need to increase the local public health workforce with knowledge of and experience with tick control to provide better access for homeowners to sound and objective advice regarding tick control on their properties based on key characteristics of the landscaping, habitat composition, and use patterns by wild animal tick hosts as well as the residents.
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Affiliation(s)
- Chloe Bogaty
- Department of Medical Microbiology and Infectious Diseases (Bogaty), Max Rady College of Medicine, University of Manitoba; National Microbiology Laboratory (Drebot), Public Health Agency of Canada, Winnipeg, Man.
| | - Michael Drebot
- Department of Medical Microbiology and Infectious Diseases (Bogaty), Max Rady College of Medicine, University of Manitoba; National Microbiology Laboratory (Drebot), Public Health Agency of Canada, Winnipeg, Man
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Puppo C, Préau M. [Prevention and management of Lyme disease: On complexity and the need to take into consideration various psycho-social factors]. SANTE PUBLIQUE 2019; S1:65-71. [PMID: 31210492 DOI: 10.3917/spub.190.0065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
OBJECTIVE This paper aims to present a psychosocial analysis on the scientific literature concerning Lyme disease prevention and care. METHODS We performed a literature review on Lyme disease, especially on prevention and care, both through physicians and patients' perspective. RESULTS A total of 31 documents were included in our literature review. Literature shows that the acceptability of preventive measures, which is relatively poor, has to be associated with the behavioral nature, and not medical one, of these interventions. Moreover, the Lyme disease care is characterized by a condition of uncertainty - especially because of the controversy about the existence of the chronical form and the treatment to adopt - provoking important consequences on patient's quality of life. That is why the acknowledgment of profane knowledge's legitimacy is strongly demanded by patients, especially through the research of an empowered condition in the relation with the physicians. In this sense, the construction of a solid relation between caregiver and patient seems to be essential. CONCLUSIONS The invisibility of most symptoms, the patient's subjective experience and the social representations about Lyme disease show the need and the contribution of a psychosocial approach, in order to better understand the life experience of this uncertain condition and, more in general, of this disease.
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Bouchard C, Aenishaenslin C, Rees EE, Koffi JK, Pelcat Y, Ripoche M, Milord F, Lindsay LR, Ogden NH, Leighton PA. Integrated Social-Behavioral and Ecological Risk Maps to Prioritize Local Public Health Responses to Lyme Disease. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:047008. [PMID: 29671475 PMCID: PMC6071748 DOI: 10.1289/ehp1943] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 03/15/2018] [Accepted: 03/19/2018] [Indexed: 05/31/2023]
Abstract
BACKGROUND The risk of contracting Lyme disease (LD) can vary spatially because of spatial heterogeneity in risk factors such as social-behavior and exposure to ecological risk factors. Integrating these risk factors to inform decision-making should therefore increase the effectiveness of mitigation interventions. OBJECTIVES The objective of this study was to develop an integrated social-behavioral and ecological risk-mapping approach to identify priority areas for LD interventions. METHODS The study was conducted in the Montérégie region of Southern Quebec, Canada, where LD is a newly endemic disease. Spatial variation in LD knowledge, risk perceptions, and behaviors in the population were measured using web survey data collected in 2012. These data were used as a proxy for the social-behavioral component of risk. Tick vector population densities were measured in the environment during field surveillance from 2007 to 2012 to provide an index of the ecological component of risk. Social-behavioral and ecological components of risk were combined with human population density to create integrated risk maps. Map predictions were validated by testing the association between high-risk areas and the current spatial distribution of human LD cases. RESULTS Social-behavioral and ecological components of LD risk had markedly different distributions within the study region, suggesting that both factors should be considered for locally adapted interventions. The occurrence of human LD cases in a municipality was positively associated with tick density (p<0.01) but was not significantly associated with social-behavioral risk. CONCLUSION This study is an applied demonstration of how integrated social-behavioral and ecological risk maps can be created to assist decision-making. Social survey data are a valuable but underutilized source of information for understanding regional variation in LD exposure, and integrating this information into risk maps provides a novel approach for prioritizing and adapting interventions to the local characteristics of target populations. https://doi.org/10.1289/EHP1943.
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Affiliation(s)
- Catherine Bouchard
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - Cécile Aenishaenslin
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
| | - Erin E Rees
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - Jules K Koffi
- Policy Integration and Zoonoses Division, Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada
| | - Yann Pelcat
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - Marion Ripoche
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - François Milord
- Direction de santé publique de la Montérégie, Centre intégré de santé et de services sociaux Montérégie-Centre, Québec, Canada
| | - L Robbin Lindsay
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Nicholas H Ogden
- Public Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, Saint-Hyacinthe, Québec, Canada
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
| | - Patrick A Leighton
- Groupe de recherche en épidémiologie des zoonoses et santé publique (GREZOSP), Faculté de médecine vétérinaire (FMV), Université de Montréal, Saint-Hyacinthe, Québec, Canada
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Rodríguez Y, Rojas M, Gershwin ME, Anaya JM. Tick-borne diseases and autoimmunity: A comprehensive review. J Autoimmun 2018; 88:21-42. [DOI: 10.1016/j.jaut.2017.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 11/20/2017] [Accepted: 11/20/2017] [Indexed: 12/12/2022]
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Szczepańska A, Kiewra D, Lonc E. Influence of the fabric colour for the ticks, Ixodes ricinus and Dermacentor reticulatus attachment. Infect Dis (Lond) 2017; 49:558-560. [PMID: 28276795 DOI: 10.1080/23744235.2017.1293842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Anna Szczepańska
- a Department of Microbial Ecology and Environmental Protection , Institute of Genetics and Microbiology, University of Wroclaw , Wroclaw , Poland
| | - Dorota Kiewra
- a Department of Microbial Ecology and Environmental Protection , Institute of Genetics and Microbiology, University of Wroclaw , Wroclaw , Poland
| | - Elżbieta Lonc
- a Department of Microbial Ecology and Environmental Protection , Institute of Genetics and Microbiology, University of Wroclaw , Wroclaw , Poland
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Clow KM, Ogden NH, Lindsay LR, Michel P, Pearl DL, Jardine CM. Distribution of Ticks and the Risk of Lyme Disease and Other Tick-Borne Pathogens of Public Health Significance in Ontario, Canada. Vector Borne Zoonotic Dis 2016; 16:215-22. [PMID: 26870937 DOI: 10.1089/vbz.2015.1890] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Over the past two decades, the northward spread of Ixodes scapularis across Ontario, Canada, has accelerated and the risk of Lyme disease has increased. Active surveillance is a recognized and effective method for detecting reproducing populations of I. scapularis. In this study, we conducted field sampling consistent with an active surveillance approach from May to October 2014 at 104 sites in central, eastern, and southern Ontario to determine the current distribution of I. scapularis and other tick species, and enhance our understanding of the geographic risk associated with Borrelia burgdorferi and other tick-borne pathogens of public health significance in this region. I. scapularis was present at 20 of the 104 sites visited. Individuals of the tick species Dermacentor variabilis, Haemaphysalis leporispalustris, and Ixodes dentatus were also collected. I. scapularis was positive by PCR for B. burgdorferi at five sites. These sites formed a significant spatial cluster in eastern Ontario. No ticks were PCR positive for Borrelia miyamotoi, Anaplasma phagocytophilum, and Babesia microti. This study provides an up-to-date picture of the distribution of I. scapularis and other tick species, and the risk of B. burgdorferi and other pathogens of public health significance in central, eastern, and southern Ontario. This information may allow for more effective surveillance efforts and public health interventions for Lyme disease and other tick-borne diseases in this region.
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Affiliation(s)
- Katie M Clow
- 1 Department of Pathobiology, Ontario Veterinary College, University of Guelph , Guelph, Canada
| | - Nicholas H Ogden
- 2 National Microbiology Laboratory, Public Health Agency of Canada, Saint Hyacinthe, Canada
| | - L Robbin Lindsay
- 3 National Microbiology Laboratory , Public Health Agency of Canada, Winnipeg, Canada
| | - Pascal Michel
- 4 Office of the Chief Science Officer, Public Health Agency of Canada, Ottawa, Canada
| | - David L Pearl
- 5 Department of Population Medicine, Ontario Veterinary College, University of Guelph , Guelph, Canada
| | - Claire M Jardine
- 1 Department of Pathobiology, Ontario Veterinary College, University of Guelph , Guelph, Canada
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Abstract
In North America, Lyme disease (LD) is a tick-borne zoonosis caused by the spirochete bacterium Borrelia burgdorferi sensu stricto, which is maintained by wildlife. Tick vectors and bacteria are currently spreading into Canada and causing increasing numbers of cases of LD in humans and raising a pressing need for public health responses. There is no vaccine, and LD prevention depends on knowing who is at risk and informing them how to protect themselves from infection. Recently, it was found in the United States that some strains of B. burgdorferi sensu stricto cause severe disease, whereas others cause mild, self-limiting disease. While many strains occurring in the United States also occur in Canada, strains in some parts of Canada are different from those in the United States. We therefore recognize a need to identify which strains specific to Canada can cause severe disease and to characterize their geographic distribution to determine which Canadians are particularly at risk. In this review, we summarize the history of emergence of LD in North America, our current knowledge of B. burgdorferi sensu stricto diversity, its intriguing origins in the ecology and evolution of the bacterium, and its importance for the epidemiology and clinical and laboratory diagnosis of LD. We propose methods for investigating associations between B. burgdorferi sensu stricto diversity, ecology, and pathogenicity and for developing predictive tools to guide public health interventions. We also highlight the emergence of B. burgdorferi sensu stricto in Canada as a unique opportunity for exploring the evolutionary aspects of tick-borne pathogen emergence.
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