How is coccidioidomycosis transmitted?

Updated: Aug 27, 2019
  • Author: Duane R Hospenthal, MD, PhD, FACP, FIDSA, FASTMH; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Coccidioidomycosis is typically transmitted by inhalation of airborne spores of C immitis or C posadasii (see Etiology). Infection occurs in endemic areas and is most commonly acquired in the summer or the late fall during outdoor activities.

Travelers to endemic areas are at risk for contracting the disease, which may not become clinically evident until after they have returned home. [1] In addition, infection may be acquired outside of endemic areas via transport of contaminated material. Diagnosis often is delayed in nonendemic areas because coccidioidal infection initially is not considered in the differential. [2, 3, 4, 5]


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