What is Fungi?
Fungi meaning Single-celled or multicellular organisms. Fungi can be either opportunistic pathogens (such as aspergillosis, candidiasis, and cryptococcosis) that cause infections in immunocompromised persons (such as cancer patients, transplant recipients, and persons with AIDS) or pathogens that cause infections in healthy persons (such as histoplasmosis or coccidioidomycosis). Fungi may also be used for the development of antibiotics, antitoxins, and other drugs used to control various human diseases.
reference: Centers for Disease Control and Prevention