Ticks and tick-borne diseases in the northern hemisphere affecting humans

Temperate zones of the northern hemisphere are increasingly impacted by human biting ticks and the human pathogens they transmit. The relationships among ticks, hosts, and pathogens are undergoing significant changes with consequences for human health. This northern hemisphere focused review examine...

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Main Authors: Nathalie Boulanger, Hayato Iijima, Kandai Doi, Yuya Watari, Mackenzie Kwak, Ryo Nakao, Stephen Wikel
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Microbiology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2025.1632832/full
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author Nathalie Boulanger
Nathalie Boulanger
Hayato Iijima
Kandai Doi
Yuya Watari
Mackenzie Kwak
Ryo Nakao
Ryo Nakao
Ryo Nakao
Stephen Wikel
author_facet Nathalie Boulanger
Nathalie Boulanger
Hayato Iijima
Kandai Doi
Yuya Watari
Mackenzie Kwak
Ryo Nakao
Ryo Nakao
Ryo Nakao
Stephen Wikel
author_sort Nathalie Boulanger
collection DOAJ
description Temperate zones of the northern hemisphere are increasingly impacted by human biting ticks and the human pathogens they transmit. The relationships among ticks, hosts, and pathogens are undergoing significant changes with consequences for human health. This northern hemisphere focused review examines human biting ticks and the disease causing agents they transmit as increasing public health threats due to geographic range expansion, increasing size of tick populations, emergence of newly recognized pathogens, introduction of invasive tick species that are resulting in part from changing weather patterns, land use modifications, biodiversity loss, and human activities/behaviors; all of which result in significant challenges for tick control and disease prevention. As a result of these evolving interactions and the resulting threats they pose, there exist critical needs to implement existing and develop novel tools and strategies to prevent tick bites, control tick populations, and reduce transmission of tick-borne pathogens. Timely, up to date knowledge of which ticks and tick-borne infectious agents are present within an area is foundational for physicians, public health authorities tasked with disease prevention, and the public. Achieving these objectives poses significant challenges. Here, we examine current medically important tick – host - pathogen relationships in Asia, Europe, and North America.
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spelling doaj-art-65ad0108b18e4e16a928b3479ba1bcfa2025-08-20T03:59:36ZengFrontiers Media S.A.Frontiers in Microbiology1664-302X2025-08-011610.3389/fmicb.2025.16328321632832Ticks and tick-borne diseases in the northern hemisphere affecting humansNathalie Boulanger0Nathalie Boulanger1Hayato Iijima2Kandai Doi3Yuya Watari4Mackenzie Kwak5Ryo Nakao6Ryo Nakao7Ryo Nakao8Stephen Wikel9UR 3073: PHAVI: Groupe Borrelia, Institut de Bactériologie, University of Strasbourg, Strasbourg, FranceFrench National Reference Center for Borrelia, Hôpitaux Universitaires, Strasbourg, FranceDepartment of Wildlife Biology, Forestry and Forest Products Research Institute, Tsukuba, JapanDepartment of Wildlife Biology, Forestry and Forest Products Research Institute, Tsukuba, JapanDepartment of Wildlife Biology, Forestry and Forest Products Research Institute, Tsukuba, JapanLaboratory of Parasitology, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, JapanLaboratory of Parasitology, Graduate School of Infectious Diseases, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, JapanDivision of Parasitology, Veterinary Research Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, JapanOne Health Research Center, Hokkaido University, Sapporo, JapanDepartment of Medical Sciences, Frank H. Netter, M. D., School of Medicine, Quinnipiac University, Hamden, CT, United StatesTemperate zones of the northern hemisphere are increasingly impacted by human biting ticks and the human pathogens they transmit. The relationships among ticks, hosts, and pathogens are undergoing significant changes with consequences for human health. This northern hemisphere focused review examines human biting ticks and the disease causing agents they transmit as increasing public health threats due to geographic range expansion, increasing size of tick populations, emergence of newly recognized pathogens, introduction of invasive tick species that are resulting in part from changing weather patterns, land use modifications, biodiversity loss, and human activities/behaviors; all of which result in significant challenges for tick control and disease prevention. As a result of these evolving interactions and the resulting threats they pose, there exist critical needs to implement existing and develop novel tools and strategies to prevent tick bites, control tick populations, and reduce transmission of tick-borne pathogens. Timely, up to date knowledge of which ticks and tick-borne infectious agents are present within an area is foundational for physicians, public health authorities tasked with disease prevention, and the public. Achieving these objectives poses significant challenges. Here, we examine current medically important tick – host - pathogen relationships in Asia, Europe, and North America.https://www.frontiersin.org/articles/10.3389/fmicb.2025.1632832/fulltickstick-borne diseasesclimate changeinvasive tickssocio-ecosystemsprevention
spellingShingle Nathalie Boulanger
Nathalie Boulanger
Hayato Iijima
Kandai Doi
Yuya Watari
Mackenzie Kwak
Ryo Nakao
Ryo Nakao
Ryo Nakao
Stephen Wikel
Ticks and tick-borne diseases in the northern hemisphere affecting humans
Frontiers in Microbiology
ticks
tick-borne diseases
climate change
invasive ticks
socio-ecosystems
prevention
title Ticks and tick-borne diseases in the northern hemisphere affecting humans
title_full Ticks and tick-borne diseases in the northern hemisphere affecting humans
title_fullStr Ticks and tick-borne diseases in the northern hemisphere affecting humans
title_full_unstemmed Ticks and tick-borne diseases in the northern hemisphere affecting humans
title_short Ticks and tick-borne diseases in the northern hemisphere affecting humans
title_sort ticks and tick borne diseases in the northern hemisphere affecting humans
topic ticks
tick-borne diseases
climate change
invasive ticks
socio-ecosystems
prevention
url https://www.frontiersin.org/articles/10.3389/fmicb.2025.1632832/full
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