Coccidioides immitis

…of spores of the fungus Coccidioides immitis or C. posadasii. C. immitis and C. posadasii are found in the soil, and most infections occur during dry spells in semiarid regions of the southwestern United States, especially around the San Joaquin Valley, and in the Chaco region of Argentina; dust storms…

…United States is caused by Coccidioides immitis, an organism indigenous to the arid regions of the southwestern United States. As in tuberculosis, seeding from the lung to the bone usually precedes involvement of a joint. Brucellosis, like tuberculosis, has a particular affinity for the spine. Brucella suis is the most…