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Description:Magnified 500X, this photomicrograph revealed the presence of thin, septate, hyaline or glass-like hyphae, from which numerous, thick-walled Coccidioides immitis arthroconidia have sprouted. The average arthrospore measures 3.0 x 4.5┬Ám, and is barrel-shaped.
Is coccidioidomycosis contagious?

No, the infection is not spread from person to person, or from animals to people. The infectious form of the fungus exists when the fungus grows in the environment. The fungus changes its form when it infects a person, and this form cannot be transmitted from one person to another.

It is important to note, however, that Coccidioides growing in culture as a mold in the laboratory may cause infection in laboratory personnel if the cultures are not handled properly and the appropriate precautions are not taken.

High Resolution: Click here for hi-resolution image (18.22 MB)
Content Providers(s):CDC/ Lucille Georg
Creation Date:1965
Photo Credit:
Links:CDC - National Center for Zoonotic, Vector-Borne, and Enteric Diseases (NCZVED); Coccidioidomycosis
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.