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Explore our current knowledge about valley fever. Learn about projects to increase our knowledge about preventing, diagnosing and treating valley fever.
Valley Fever Facts and Statistics
Statistics of individuals with valley fever and related misdiagnosis to make the public aware
- Each year, more than 20,000 valley fever cases are reported in the United States, but researchers estimate the fungus is infecting more than 150,000 people. Many people go undiagnosed because they don't seek to find the cause of their illness.
- Everyone is at risk of breathing in the fungus, but people of African American or Asian decent, pregnant women in their third trimesters and people with weakened immune systems are at highest risk of developing the illness.
- Valley fever is not contagious.
- Valley Fever Incident Cases 2011-2012 (shows California map)
- Statistical data on number and age adjusted incidence per 100,000 population of cocci cases by region-Arizona, California, Nevada, New Mexico and Utah (1998-2011)
- Arizona Valley Fever Report 2007-2011: Includes trends in population, by county, age, race, minor/major cases
- Photo showing area where VF is endemic (highly, moderately, mildly and suspected endemic)
- Reports areas of most affected cities, most endemic area in California, other endemic areas and environmental conditions that cause infection