Valley fever fungus is known to live in the soil in Mexico, Central and South America, and the southwestern US – as shown by the CDC’s map of cases. Histoplasmosis has a crude mortality rate ...

The fungus responsible for Valley fever is endemic to regions in Mexico, Central and South America, and the southwestern US, as depicted in the CDC's case map. Histoplasmosis, another fungal ...

according to the U.S. Centers for Disease Control and Prevention (CDC). The men in Rochester had other existing diseases when they caught histoplasmosis, which may have worsened their infections.