Ticks, Human Babesiosis and Climate Change

The effects of current and future global warming on the distribution and activity of the primary ixodid vectors of human babesiosis (caused by <i>Babesia divergens</i>, <i>B. venatorum</i> and <i>B. microti</i>) are discussed. There is clear evidence that the dist...

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Main Authors: Jeremy S. Gray, Nicholas H. Ogden
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/10/11/1430
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author Jeremy S. Gray
Nicholas H. Ogden
author_facet Jeremy S. Gray
Nicholas H. Ogden
author_sort Jeremy S. Gray
collection DOAJ
description The effects of current and future global warming on the distribution and activity of the primary ixodid vectors of human babesiosis (caused by <i>Babesia divergens</i>, <i>B. venatorum</i> and <i>B. microti</i>) are discussed. There is clear evidence that the distributions of both <i>Ixodes ricinus</i>, the vector in Europe, and <i>I. scapularis</i> in North America have been impacted by the changing climate, with increasing temperatures resulting in the northwards expansion of tick populations and the occurrence of <i>I. ricinus</i> at higher altitudes. <i>Ixodes persulcatus</i>, which replaces <i>I. ricinus</i> in Eurasia and temperate Asia, is presumed to be the babesiosis vector in China and Japan, but this tick species has not yet been confirmed as the vector of either human or animal babesiosis. There is no definite evidence, as yet, of global warming having an effect on the occurrence of human babesiosis, but models suggest that it is only a matter of time before cases occur further north than they do at present.
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spelling doaj.art-f2c6dabf6651442c9760edcac17409922023-11-23T00:53:12ZengMDPI AGPathogens2076-08172021-11-011011143010.3390/pathogens10111430Ticks, Human Babesiosis and Climate ChangeJeremy S. Gray0Nicholas H. Ogden1UCD School of Biology and Environmental Science, University College Dublin, D04 N2E5 Dublin, IrelandPublic Health Risk Sciences Division, National Microbiology Laboratory, Public Health Agency of Canada, St-Hyacinthe, QC J2S 2M2, CanadaThe effects of current and future global warming on the distribution and activity of the primary ixodid vectors of human babesiosis (caused by <i>Babesia divergens</i>, <i>B. venatorum</i> and <i>B. microti</i>) are discussed. There is clear evidence that the distributions of both <i>Ixodes ricinus</i>, the vector in Europe, and <i>I. scapularis</i> in North America have been impacted by the changing climate, with increasing temperatures resulting in the northwards expansion of tick populations and the occurrence of <i>I. ricinus</i> at higher altitudes. <i>Ixodes persulcatus</i>, which replaces <i>I. ricinus</i> in Eurasia and temperate Asia, is presumed to be the babesiosis vector in China and Japan, but this tick species has not yet been confirmed as the vector of either human or animal babesiosis. There is no definite evidence, as yet, of global warming having an effect on the occurrence of human babesiosis, but models suggest that it is only a matter of time before cases occur further north than they do at present.https://www.mdpi.com/2076-0817/10/11/1430<i>Ixodes ricinus</i><i>Ixodes scapularis</i><i>Babesia microti</i><i>Babesia divergens</i>climateglobal warming
spellingShingle Jeremy S. Gray
Nicholas H. Ogden
Ticks, Human Babesiosis and Climate Change
Pathogens
<i>Ixodes ricinus</i>
<i>Ixodes scapularis</i>
<i>Babesia microti</i>
<i>Babesia divergens</i>
climate
global warming
title Ticks, Human Babesiosis and Climate Change
title_full Ticks, Human Babesiosis and Climate Change
title_fullStr Ticks, Human Babesiosis and Climate Change
title_full_unstemmed Ticks, Human Babesiosis and Climate Change
title_short Ticks, Human Babesiosis and Climate Change
title_sort ticks human babesiosis and climate change
topic <i>Ixodes ricinus</i>
<i>Ixodes scapularis</i>
<i>Babesia microti</i>
<i>Babesia divergens</i>
climate
global warming
url https://www.mdpi.com/2076-0817/10/11/1430
work_keys_str_mv AT jeremysgray tickshumanbabesiosisandclimatechange
AT nicholashogden tickshumanbabesiosisandclimatechange