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[Brachiola spp.] [Encephalitozoon cuniculi] [Encephalitozoon hellem] [Encephalitozoon intestinalis (syn. Septata intestinalis)] [Enterocytozoon bieneusi] [Nosema spp.] [Pleistophora sp.] [Trachipleistophora spp.] [Vittaforma corneae (syn. Nosema corneum)]

Monoclonal antibody-based immunofluorescence identification of Encephalitozoon hellem.  Spores are present in a bronchoalveolar lavage sample of a 30 year-old AIDS patient from Georgia.  Note the bright fluorescent spores, which have extruded their polar tubules.