Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming

Abstract Aedes sp. mosquitoes are changing their geographic range in response to climate change. This is of concern because these mosquitoes can carry dengue fever and other viral diseases. Changing weather patterns can also increase the numbers of Aedes mosquitoes, leading to greater human exposure...

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Main Authors: Cheng Jing, Guojie Wang, Kristie L. Ebi, Buda Su, Xiaoming Wang, Dong Chen, Tong Jiang, Zbigniew W. Kundzewicz
Format: Article
Language:English
Published: Wiley 2024-07-01
Series:Earth's Future
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Online Access:https://doi.org/10.1029/2024EF004548
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author Cheng Jing
Guojie Wang
Kristie L. Ebi
Buda Su
Xiaoming Wang
Dong Chen
Tong Jiang
Zbigniew W. Kundzewicz
author_facet Cheng Jing
Guojie Wang
Kristie L. Ebi
Buda Su
Xiaoming Wang
Dong Chen
Tong Jiang
Zbigniew W. Kundzewicz
author_sort Cheng Jing
collection DOAJ
description Abstract Aedes sp. mosquitoes are changing their geographic range in response to climate change. This is of concern because these mosquitoes can carry dengue fever and other viral diseases. Changing weather patterns can also increase the numbers of Aedes mosquitoes, leading to greater human exposure and enhancing population health risks. We project the geographic distribution of Aedes and associated changes in populations exposed to dengue in Asian metropolitan areas under warming scenarios from 1.5°C to 5.0°C above pre‐industrial temperatures, using multi‐model ensembles. With global warming, the southern part of the Arabian Peninsula, the coast of the Arabian Sea in southern Iran, southern Pakistan in West Asia, the Korean Peninsula, most of the Japanese islands, and parts of North China in East Asia are projected to become suitable for dengue transmission. The numbers of metropolitan areas exposed to dengue is projected to change from 142 (48%) in the reference period (1995–2014) to 211 (71%) at 5.0°C warming. With the combined impact of socioeconomic and climate change, population exposure to dengue in Asian metropolitan areas is projected to increase from 263 (multi‐model range 252–268) million in 1995–2014 to 411 (394–432) million, 446 (420–490) million, 509 (475–601), 558 (493–685) and 587 (529–773) million, respectively, at 1.5°C, 2.0°C, 3.0°C, 4.0°C and 5°C warming, with an average of 2.9 million new people exposed to dengue fever in metropolitan areas each year.
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spelling doaj-art-31b49880eb3c4266a92533cfaae307442025-01-29T07:58:53ZengWileyEarth's Future2328-42772024-07-01127n/an/a10.1029/2024EF004548Emerging Risk to Dengue in Asian Metropolitan Areas Under Global WarmingCheng Jing0Guojie Wang1Kristie L. Ebi2Buda Su3Xiaoming Wang4Dong Chen5Tong Jiang6Zbigniew W. Kundzewicz7Research Institute of Climatic and Environmental Governance/Institute for Disaster Risk Management School of Geographical Science, Nanjing University of Information Science & Technology Nanjing ChinaResearch Institute of Climatic and Environmental Governance/Institute for Disaster Risk Management School of Geographical Science, Nanjing University of Information Science & Technology Nanjing ChinaDepartments of Global Health and Environmental and Occupational Health Sciences University of Washington Seattle WA USAResearch Institute of Climatic and Environmental Governance/Institute for Disaster Risk Management School of Geographical Science, Nanjing University of Information Science & Technology Nanjing ChinaDepartment of Civil Engineering Monash University Melbourne VIC AustraliaCommonwealth Scientific and Industrial Research Organization Melbourne VLC AustraliaResearch Institute of Climatic and Environmental Governance/Institute for Disaster Risk Management School of Geographical Science, Nanjing University of Information Science & Technology Nanjing ChinaDepartment of Environmental Engineering and Mechanical Engineering Poznan University of Life Sciences Poznan PolandAbstract Aedes sp. mosquitoes are changing their geographic range in response to climate change. This is of concern because these mosquitoes can carry dengue fever and other viral diseases. Changing weather patterns can also increase the numbers of Aedes mosquitoes, leading to greater human exposure and enhancing population health risks. We project the geographic distribution of Aedes and associated changes in populations exposed to dengue in Asian metropolitan areas under warming scenarios from 1.5°C to 5.0°C above pre‐industrial temperatures, using multi‐model ensembles. With global warming, the southern part of the Arabian Peninsula, the coast of the Arabian Sea in southern Iran, southern Pakistan in West Asia, the Korean Peninsula, most of the Japanese islands, and parts of North China in East Asia are projected to become suitable for dengue transmission. The numbers of metropolitan areas exposed to dengue is projected to change from 142 (48%) in the reference period (1995–2014) to 211 (71%) at 5.0°C warming. With the combined impact of socioeconomic and climate change, population exposure to dengue in Asian metropolitan areas is projected to increase from 263 (multi‐model range 252–268) million in 1995–2014 to 411 (394–432) million, 446 (420–490) million, 509 (475–601), 558 (493–685) and 587 (529–773) million, respectively, at 1.5°C, 2.0°C, 3.0°C, 4.0°C and 5°C warming, with an average of 2.9 million new people exposed to dengue fever in metropolitan areas each year.https://doi.org/10.1029/2024EF004548dengueclimate changeriskexposureAsian metropolitan areas
spellingShingle Cheng Jing
Guojie Wang
Kristie L. Ebi
Buda Su
Xiaoming Wang
Dong Chen
Tong Jiang
Zbigniew W. Kundzewicz
Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
Earth's Future
dengue
climate change
risk
exposure
Asian metropolitan areas
title Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
title_full Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
title_fullStr Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
title_full_unstemmed Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
title_short Emerging Risk to Dengue in Asian Metropolitan Areas Under Global Warming
title_sort emerging risk to dengue in asian metropolitan areas under global warming
topic dengue
climate change
risk
exposure
Asian metropolitan areas
url https://doi.org/10.1029/2024EF004548
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