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Open Access 13-03-2024 | Lyme Disease | Original Contribution

By-degree Health and Economic Impacts of Lyme Disease, Eastern and Midwestern United States

Authors: Haisheng Yang, Caitlin A. Gould, Russ Jones, Alexis St. Juliana, Marcus Sarofim, Matt Rissing, Micah B. Hahn

Published in: EcoHealth

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Abstract

Lyme disease (LD) is the most common vector-borne disease in the United States (U.S.). This paper assesses how climate change may influence LD incidence in the eastern and upper Midwestern U.S. and the associated economic burden. We estimated future Ixodes scapularis habitat suitability and LD incidence with a by-degree approach using variables from an ensemble of multiple climate models. We then applied estimates for present-day and projected habitat suitability for I. scapularis, present-day presence of Borrelia burgdorferi, and projected climatological variables to model reported LD incidence at the county level among adults, children, and the total population. Finally, we applied an estimate of healthcare expenses to project economic impacts. We show an overall increase in LD cases with regional variation. We estimate an increase in incidence in New England and the upper Midwestern U.S. and a concurrent decrease in incidence in Virginia and North Carolina. At 3°C of national warming from the 1986–2015 baseline climate, we project approximately 55,000 LD cases, a 38-percent increase from present-day estimates. At 6°C of warming, our most extreme scenario, we project approximately 92,000 LD cases in the region, an increase of 145 percent relative to current levels. Annual LD-related healthcare expenses at 3°C of warming are estimated to be $236 million (2021 dollars), approximately 38 percent greater than present-day. These results may inform decision-makers tasked with addressing climate risks, the public, and healthcare professionals preparing for treatment and prevention of LD.
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Metadata
Title
By-degree Health and Economic Impacts of Lyme Disease, Eastern and Midwestern United States
Authors
Haisheng Yang
Caitlin A. Gould
Russ Jones
Alexis St. Juliana
Marcus Sarofim
Matt Rissing
Micah B. Hahn
Publication date
13-03-2024
Publisher
Springer US
Published in
EcoHealth
Print ISSN: 1612-9202
Electronic ISSN: 1612-9210
DOI
https://doi.org/10.1007/s10393-024-01676-9