A potentially life-threatening condition known as aspergillosis is caused by a fungal pathogen named Aspergillus. It is a common type mold that can often be found outdoors and in indoor environments that have suffered water damage or elevated humidity levels., , , , Fortunately, most healthy people breathe Aspergillus spores without infection concerns. However, some species are known to be a serious infection risk for individuals with weakened immune systems or lung disease. Of the approxi.