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aspergillosis as·per·gil·lo·sis (ās'pər-jə-lō'sĭs)
An infection or a disease caused by fungi of the genus Aspergillus.
a number of different disease states in human beings that are caused by fungi of the genus Aspergillus, especially A. fumigatus, A. flavus, and A. niger, and that produce a variety of effects on humans, ranging from no illness to allergic reactions to mild pneumonia to overwhelming generalized infection. The ubiquitous fungus Aspergillus is especially prevalent in the air. Inhalation of Aspergillus is common, but the fungus can also be introduced into the body through a cut or a surgical wound.