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Created page with "==Introduction== Pneumocystis jirovecii is a yeast-like fungus of the genus Pneumocystis. The causative organism of Pneumocystis pneumonia, it is an important human pathogen, particularly among immunocompromised hosts. Infections caused by this organism have been associated with high morbidity and mortality rates in patients with HIV/AIDS, making it a significant concern in the medical community. ==Taxonomy and Nomenclature== The organism was initially named Pneumoc..."
