Main endemic foci of coccidioïdomycosis

Coccidioïdomycosis is a deep mycosis due to a dimorphic fungus, endemic in semi-arid or desertlc regions of America. Best biotopes for Coccidioides immitis are highly salted soil with alkaline pH, were xerophylic plants can grow . The presence of Larrea tridentata is a marker of a favorable soil. – Diagram realised from a projection of Mercanti –