Gail Sondermeyer-Cooksey

Impacts of land use and fallowing on coccidioidomycosis incidence in California: A population-based longitudinal study

Alexandra K. Heaney, Isabel J. Jones, Simon K. Camponuri, Jennifer R. Head et autres

Coccidioidomycosis (Valley fever) is a growing public health concern in the western U.S., with California reporting more than an eightfold rise in cases over the past two decades. As climate change, groundwater regulation, and prolonged drought drive major agricultural land-use shifts in …

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Comparison of Patients With Coccidioidomycosis in Arizona Versus California: A Commercial Health Insurance Claims Analysis

Kaitlin Benedict, Ian Hennessee, Gail Sondermeyer-Cooksey, Fariba Donovan et autres

Commercially insured patients with coccidioidomycosis in Arizona (n = 1640) were more likely to have symptoms indicating acute pulmonary disease (eg, cough, dyspnea, chest pain) compared with patients in California (n = 701), who were more likely to have disseminated coccidioidomycosis, possibly …

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Recent and Forecasted Increases in Coccidioidomycosis Incidence Linked to Hydroclimatic Swings, California, USA

Simon K. Camponuri, Alexandra K. Heaney, Gail Sondermeyer-Cooksey, Duc J. Vugia et autres

In 2023, California reported near-record high coccidioidomycosis cases after a dramatic transition from drought to heavy precipitation. Using an ensemble model, we forecasted 12,244 cases statewide during April 1, 2024-March 31, 2025, a 62% increase over cases reported 2 years before and …

Prolonged coccidioidomycosis transmission seasons in a warming California: a Markov state transition model of shifting disease dynamics

Simon K. Camponuri, Jennifer R. Head, Philip A. Collender, Amanda Weaver et autres

Coccidioidomycosis, an emerging fungal disease in the southwestern United States, exhibits pronounced seasonal transmission, yet the influence of current and future climate on the timing and duration of transmission seasons remains poorly understood. We developed a distributed-lag Markov state transition model to …

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Estimating the Exposure–Response Relationship between Fine Mineral Dust Concentration and Coccidioidomycosis Incidence Using Speciated Particulate Matter Data: A Longitudinal Surveillance Study

Amanda Weaver, Nicole Keeney, Jennifer R. Head, Alexandra K. Heaney et autres

BACKGROUND: spp. spores, is an emerging infectious disease that is increasing in incidence throughout the southwestern US. The pathogen is soil-dwelling, and spore dispersal and human exposure are thought to co-occur with airborne mineral dust exposures, yet fundamental exposure-response relationships have not …

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Prolonged dry seasons lengthen coccidioidomycosis transmission seasons: implications for a changing California

Simon K. Camponuri, Jennifer R. Head, Philip A. Collender, Amanda Weaver et autres

Abstract Coccidioidomycosis, a fungal disease caused by soil-borne Coccidioides spp., exhibits pronounced seasonal transmission, with incidence in California typically peaking in the fall. However, the influence of climate on the timing and duration of transmission seasons remains poorly understood. Using weekly data …

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Recent and forecasted increases in coccidioidomycosis incidence in California linked to hydroclimatic swings

Simon K. Camponuri, Alexandra K. Heaney, Gail Sondermeyer-Cooksey, Duc J. Vugia et autres

spp., fungi found primarily in soils of the southwestern United States. Prior work showed that coccidioidomycosis cases in California sharply increase by nearly 2-fold following wet winters that occur one- and two-years following drought. Statewide drought between 2020-2022 followed by heavy precipitation …

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Coccidioidomycosis seasonality in California: a longitudinal surveillance study of the climate determinants and spatiotemporal variability of seasonal dynamics, 2000–2021

Alexandra K. Heaney, Simon K. Camponuri, Jennifer R. Head, Philip A. Collender et autres

Background: Coccidioidomycosis, an emerging fungal disease in the western USA, exhibits seasonal patterns that are poorly understood, including periods of strong cyclicity, aseasonal intervals, and variation in seasonal timing that have been minimally characterized, and unexplained as to their causal factors. Coccidioidomycosis …

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Effects of precipitation, heat, and drought on incidence and expansion of coccidioidomycosis in western USA: a longitudinal surveillance study

Jennifer R. Head, Gail Sondermeyer-Cooksey, Alexandra K. Heaney, Alexander T. Yu et autres

BACKGROUND: Drought 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 …

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Influence of meteorological factors and drought on coccidioidomycosis incidence in California, 2000–2020

Jennifer R. Head, Gail Sondermeyer-Cooksey, Alexandra K. Heaney, Alexander T. Yu et autres

Abstract Background Coccidioidomycosis is an emerging infection in the southwestern United States. We examined the effects of precipitation and temperature on the incidence of coccidioidomycosis in California during 2000-2020, and estimated incident cases attributable to the California droughts of 2007-09 and 2012-15. …

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