Primarily found in North America, specifically the Ohio and Mississippi River valleys, the Great Lakes region, and the St. Lawrence Seaway.
The fungus thrives in moist, acidic soil and decaying organic matter (wood and leaves), particularly near waterways. blastomycosis
Adult males are more frequently affected, likely due to higher occupational and recreational exposure to outdoor environments. Clinical Manifestations Blastomycosis - StatPearls - NCBI Bookshelf Primarily found in North America, specifically the Ohio