An aspergillus infection, also known as aspergillosis, is an illness caused by Aspergillus, a common type of mold (fungus). According to the provided overview, these infections typically affect the respiratory system, but the specific signs and their severity can vary significantly from person to person. Aspergillus mold is prevalent both indoors and outdoors.
In summary, aspergillosis is a fungal infection that most commonly affects the lungs but can have a range of effects depending on the individual and the specific type of infection.