Histoplasmosis (Histoplasma capsulatum): Ohio Valley Disease - Summary Sheet

 • Morphology

 • Geography, Reservoir and Mode of Transmission

     - Histoplasma has a world-wide distribution, but is mostly endemic in the Americas (Central/Eastern United States & Central and South America)

     - Reservoir includes: soil, areas of construction, animal droppings (i.e. bats – a board favorite!), and caves (another board favorite)

     - Mode of transmission: aerogenic

 • Clinical presentation - Known as the ‘syphilis’ of the fungal world because it’s a great imitator, particularly of TB

 • Diagnosis

 • Management



by Fatima Al Dhaheri, MD @FatimaAlDee



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