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The overlooked health impacts of extreme rainfall exposure in 30 East Asian cities.
Nat. Sustain., DOI: 10.1038/s41893-024-01294-x (2024)
Extreme rainfall, intensified by climate change, elevates the risk of infectious diseases. The connection between extreme rainfall and common respiratory diseases remains unclear. Here we used a probabilistic approach to detect extreme rainfall events with different return periods for 30 cities across four East Asian countries and regions, including mainland China, Taiwan, South Korea and Japan, from 1980 to 2020. Significant associations were found between respiratory deaths and extreme rainfall events with 5 or 10 year return periods, but not for the events with a 1 or 2 year return period. The cumulative relative risks of respiratory mortality were found to be 1.29 (95% confidence interval: 1.09–1.51) and 1.33 (95% confidence interval: 1.02–1.65) for extreme rainfall events with 5 and 10 year return periods, respectively. The associations were strongest for asthma, followed by chronic obstructive pulmonary disease, but not significant for pneumonia. In cities across South Korea and Japan, no significant differences in the relative risks were detected before 2010. This multi-city study presents compelling evidence that extreme rainfall events could elevate mortality risks for respiratory diseases, especially for asthma and chronic obstructive pulmonary disease, emphasizing the multiple and complex consequences of extreme natural phenomena.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Short-term Exposure; Air-pollution; Precipitation; Mortality; Temperature; Death
ISSN (print) / ISBN
2398-9629
e-ISSN
2398-9629
Journal
Nature Sustainability
Publisher
Springer
Publishing Place
Heidelberger Platz 3, Berlin, 14197, Germany
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Institute of Epidemiology II (EPI2)
Grants
Alexander von Humboldt Foundation for the Humboldt Research Fellowship
Shanghai Committee of Science and Technology
Shanghai International Science and Technology Partnership Project
National Key Research and Development Program of China
National Natural Science Foundation of China
Shanghai Committee of Science and Technology
Shanghai International Science and Technology Partnership Project
National Key Research and Development Program of China
National Natural Science Foundation of China