ArticleThe Lancet. Planetary health2022
Effects of precipitation, heat, and drought on incidence and expansion of coccidioidomycosis in western USA: a longitudinal surveillance study.
Article in The Lancet. Planetary health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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Who cites it
55 citing papers in PubMed, 80 citations in OpenAlex.
- Spatial point pattern analysis of environmental effects on valley fever intensity in Phoenix, Arizona.Infectious Disease Modelling · 2026Article
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- Exposure to Coccidioides spp. and silent infection in Sonora, Mexico: A cross-sectional serological and environmental analysis.Medical mycology · 2026Article
- Impacts of land use and fallowing on coccidioidomycosis incidence in California: A population-based longitudinal study.Science advances · 2026Article
- The Maximum Growth Temperature for Eukaryotes Is Thermodynamically Driven but Ecologically Contingent.Life (Basel, Switzerland) · 2026Article
- Re-Evaluating Springtime as Southern Arizona's Dust Season.GeoHealth · 2026Article
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- Assessing the Application of a Genomic Network Analysis in Population Ecology: Inferring Patterns of Dispersal and Geographic Structure in the Emerging Pathogen,Ecology and evolution · 2026Article
- The Fungus Among Us: Latency, Reactivation, and the Expanding Clinical Spectrum of Coccidioidomycosis.Cureus · 2026Review
- Rising burden of severe pediatric coccidioidomycosis: a 25-year single-center study.Journal of the Pediatric Infectious Diseases Society · 2026Observational
- Immune-Based Prevention and Therapy Against Coccidioidomycosis: Current and Emerging Approaches.Journal of fungi (Basel, Switzerland) · 2026Review
- Regional Increases in Incidence of Coccidioidomycosis (Valley Fever) - Arizona, 2005-2022.MMWR. Morbidity and mortality weekly report · 2026Article
- Choice of Downscaled Climate Product Matters: Projections of Valley Fever Seasonality in a Warming Climate.GeoHealth · 2026Article
- Review
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- The Epidemiology of Coccidioidomycosis (Valley fever) and the Disease Ecology ofPathogens (Basel, Switzerland) · 2025Article
- Use of Dog Serologic Data for Improved Understanding of Coccidioidomycosis: A One Health Approach.The Journal of infectious diseases · 2025Article
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- Detection of AirborneEnvironmental science & technology letters · 2025Article
- Impact of dual climatic and socioeconomic factors on global trends in infectious disease outbreaks.Scientific reports · 2025Article
Corrections and comments
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Authors and funding
19 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundDrought is an understudied driver of infectious disease dynamics. Amidst the ongoing southwestern North American megadrought, California (USA) is having the driest multi-decadal period since 800 CE, exacerbated by anthropogenic warming. In this study, we aimed to examine the influence of drought on coccidioidomycosis, an emerging infectious disease in southwestern USA.
methodsWe analysed California census tract-level surveillance data from 2000 to 2020 using generalised additive models and distributed monthly lags on precipitation and temperature. We then developed an ensemble prediction algorithm of incident cases of coccidioidomycosis per census tract to estimate the counterfactual incidence that would have occurred in the absence of drought.
findingsBetween April 1, 2000, and March 31, 2020, there were 81 448 reported cases of coccidioidomycosis throughout California. An estimated 1467 excess cases of coccidioidomycosis were observed in California in the 2 years following the drought that occurred between 2007 and 2009, and an excess 2649 drought-attributable cases of coccidioidomycosis were observed in the 2 years following the drought that occurred between 2012 and 2015. These increased numbers of cases more than offset the declines in cases that occurred during drought. An IQR increase in summer temperatures was associated with 2·02 (95% CI 1·84-2·22) times higher incidence in the following autumn (September to November), and an IQR increase in precipitation in the winter was associated with 1·45 (1·36-1·55) times higher incidence in the autumn. The effect of winter precipitation was 36% (25-48) stronger when preceded by two dry, rather than average, winters. Incidence in arid counties was most sensitive to precipitation fluctuations, while incidence in wetter counties was most sensitive to temperature.
interpretationIn California, multi-year cycles of dry conditions followed by a wet winter increases transmission of coccidioidomycosis, especially in historically wetter areas. With anticipated increasing frequency of drought in southwestern USA, continued expansion of coccidioidomycosis, along with more intense seasons, is expected. Our results motivate the need for heightened precautions against coccidioidomycosis in seasons that follow major droughts.
fundingNational Institutes of Health.
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