Overview

• The state has recorded 6,761 provisional cases through July 31, positioning 2025 to surpass the 12,595 cases logged in 2024.
• County data show sharp increases: Sacramento up 26%, San Joaquin up 83%, Stanislaus up 62%, and Monterey reporting a 264% jump with 348 cases by the end of July.
• People become infected by inhaling dust carrying Coccidioides spores from disturbed soil, and the illness is not transmitted between people or animals.
• Clinicians are urged to test patients with persistent respiratory symptoms in endemic areas using serology, culture, or PCR to confirm coccidioidomycosis.
• Public health guidance stresses limiting dust exposure by wearing masks in dusty settings and wetting soil before digging, with extra caution advised for outdoor workers and medically vulnerable groups.