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Occupational Health Branch

CDPH Banner Valley fever is on the rise in California

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Preventing Work-Related Valley Fever (Coccidioidomycosis)

Construction and other workers who disturb soil are at riskValley fever is an illness caused by a fungus found in the soil in many parts of California, especially the Central Valley and Central Coast. For some, it can be serious and even fatal. People who inhale fungal spores released when the soil is disturbed, may get Valley fever. 

Construction workers and others who work outdoors are especially at risk for Valley fever if they dig or disturb soil, operate heavy machinery, or work under windy conditions. Other outdoor occupations at risk are wildland firefighters and oil and gas, agricultural, ranch, and mine workers.

The Occupational Health Branch (OHB) has investigated Valley fever outbreaks in groups of workers in many at-risk occupations and has developed recomendations for preventing work-related Valley fever. 

Photo: Construction and other workers who disturb soil are at risk.

?A new California law, AB 203, requires construction employers in high Valley fever counties to have trained their employees on Valley fever by May 1, 2020.  See below for resources to help employers train workers on Valley fever.

Webinars and trainings

 

  • Preventing Valley Fever in Construction Workers - 1-hour webinar for construction employers and health and safety professionals, 2018. Note: This presentation does NOT cover 2020 worker training requirements. 
    Presentation slides (PDF)   |    Recorded webinar presentation (password required: VFeverAug21)

 

OHB resources

OHB investigations

Additional information

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