Coccidioides immitis

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Related to coccidioidin: coccidioidomycosis, Schick, coccidioidin test

Coccidioides immitis

[‚käk·sid·ē¦ȯi‚dēz i′mīd·əs or i′mēd·əs]
(medicine)
A mold primarily found in desert soil that converts into spherules containing endospores when growing within the body and that causes coccidioidomycosis or San Joaquin valley fever.
References in periodicals archive ?
Prevalence of sensitivity to coccidioidin, with special reference to specific and nonspecific reactions to coccidioidin and to histoplasmin.
of cases) California (25) Arizona (2) Texas (1) Common symptoms: recent chest pain, shortness of breath Positive Negative Coccidioidin skin test 6 14 Complement fixation serology 29 1 Coccidioides spp culture 29 2 Surgical procedures (No.
13) later used T27K, a coccidioidal antigen preparation, we elected to use coccidioidin filtrate, which has historically been shown to be a good coccidioidal preparation for DTH testing and to be an even better preparation for determining cellular immunity in vitro (14).
Alternatively, since CD69 is a nonspecific marker of lymphocyte activation, an immune response to another infectious agent would have elevated a participant's baseline CD69 level, making it difficult to determine whether their PBMCs were responding to coccidioidin or another infection or both.
Asymptomatic infection and symptomatic infection with recovery confer probable lifelong immunity with a positive delayed-type hypersensitivity skin-test reaction to coccidioidin or spherulin.