Molecular detection of Coccidioides spp. from environmental samples in Baja California: linking Valley Fever to soil and climate conditions

► Positive detection of Coccidioides spp. DNA in soils. ► Distribution of Valley Fever in semi-arid regions of Baja California. ► Bioclimatic conditions and Coccidioidomycosis incidence. ► Coccidioides spp. ecological niche.