This slant is recommended for recovery of pathogenic fungi from specimens heavily contaminated with bacteria & saprophytic fungi. Chloramphenicol is a broad-spectrum antibiotic, which inhibits the growth of wide range of gram-positive and gram-negative bacteria. Cycloheximide inhibits most saprophytic moulds and enhances the isolation of pathogenic fungi. Brain Heart Infusion CC Agar suitable for the isolation of the tissue phase of Histoplasma capsulatum and other pathogenic fungi, including Coccidioides immitis.