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Coccidioidomycosis (Valley Fever)

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Valley Fever in Arizona

The reported number of cases of Valley Fever in Arizona has been increasing since it became laboratory-reportable in 1997. In 2011 there were 16,472 cases of Valley Fever statewide. For more information about Valley Fever occurence in Arizona please refer to the Monthly Report.

The highest rates of infection in Arizona occur in Maricopa, Pima and Pinal counties, and the peak seasons occur from June through August and from October through November.

dust cloud over Phoenix

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