Most cases are sporadic and linked to activities that disturb the soil, such as construction, excavation, hunting, fishing, and camping.
Primarily found in North America, specifically the Ohio and Mississippi River valleys, the Great Lakes region, and the St. Lawrence Seaway. blastomycosis
Northern Wisconsin and Minnesota have some of the highest reported incidences, sometimes exceeding 100 cases per 100,000 people during outbreaks. Most cases are sporadic and linked to activities