Detection of antibodies to Blastomyces, Coccidioides, Histoplasma, and Aspergillus by agar gel immunodiffusion (AGID); antibodies to Coccidioides, Histoplasma and Aspergillus by complement fixation (CF); and antigen to Cryptococcus neoformans by latex agglutination. Crytpococcus is performed at 1:2 to endpoint titer.
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