November 24, 2024 Valley fever (coccidioidomycosis) cases have increased by 42% in Arizona.
November 24, 2024
In recent months Arizona there was a 42% increase in cases of valley fever, also known as coccidioidomycosis. This increase is almost 4,000 additional cases compared to the same period last year. Most cases are concentrated in the Phoenix metropolitan area, particularly in Phoenix County. Maricopawhich accounts for about half of the infections reported in the United States.
Valley fever is a lung infection caused by a fungus. Coccidioideswhich thrives in hot and dry conditions. Fungal spores become airborne when the soil is disturbed, such as during dust storms or construction work, and infection occurs through inhalation. Although the disease is not contagious between people, its symptoms can be confused with other respiratory diseases, making it difficult to diagnose.
There is currently no vaccine to prevent valley fever, although research is being done in this area. Health authorities advise residents and visitors to affected areas to take precautions, such as avoiding exposure to dust and wearing masks in dusty areas, to reduce the risk of infection.
US Local Risks
More information about coccidioidomycosis in the United States
- Endemic to the arid or semi-arid areas of the southwest (California to South Texas). 15,000 cases in Arizona in 2011 (severe dust storm occurred from Tucson to Phoenix)
- 2024. May 6 case rise in Fresno, California
If you’re traveling, let us know!