Construction workers in Riverside County are experiencing a significant rise in valley fever cases, with public health officials warning that the peak season is still ahead. Valley fever, a respiratory disease caused by the Coccidioides fungus, has seen a 58% increase in cases compared to the same period last year. As of July 31, 322 cases have been reported in the county, according to the Riverside University Health System (RUHS). Most cases are emerging from the northwestern urban areas of Riverside and Corona, particularly affecting those who work outdoors in dusty environments, such as construction workers.
Valley fever symptoms, which include fever, cough, chest pain, fatigue, and shortness of breath, usually develop one to three weeks after exposure. While symptoms often resolve on their own, some cases can lead to severe infections, especially in adults over 60 or those with chronic health conditions. Wendy Hetherington, chief epidemiologist at RUHS, noted that the disease’s rise is linked to climate change, with drought and heavy rains contributing to the spread of fungal spores.
Public health officials urge those working in dusty areas to monitor their health and seek medical attention if symptoms persist. Dr. Jennifer Chevinsky, Riverside County Public Health Officer, advises taking precautions to reduce exposure to dust. The county’s increase in valley fever cases reflects a broader trend across California, where nearly 12,500 cases were reported in 2024, the highest on record for the state.
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