Enterocytozoon bieneusi (orden microsporidia, familia entrerocytozoonidae) in Costa Rica: report of the first human case in central america

The first case of microspotidiosis in Central America is describes in en AIDS patient from Costa Rica. Electronic microscopy studies indicate that the spores were not included in a parasitophorous vacuole, but they are in direct contact with the cell cytoptasm. Sporogonic proliferative plasmodial forms presence and localization of the polar tubes in the anterior region of the spore, confirmed the specie Enterocytozoon bieneusi as the cause of this microsporidian infection