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Pneumocystis jirovecii (previously P. carinii) 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 .
Pneumocystis pneumonia (PCP), also known as Pneumocystis jirovecii pneumonia (PJP), is a form of pneumonia that is caused by the yeast-like fungus Pneumocystis jirovecii. [ 3 ] [ 4 ] Pneumocystis specimens are commonly found in the lungs of healthy people although it is usually not a cause for disease. [ 5 ]
Pneumocystis jiroveci pneumonia, [1] Pneumocystis pneumonia, [2] PCP, Pneumocystis carinii pneumonia [3] Pneumocystis jirovecii cysts: Specialty: Infectious diseases [1] Symptoms: Lungs: Cough, difficulty breathing, fever. [4] Disseminated: Depends on affected organ [5] Skin: Lump or fluid in ear [6] Complications: Lungs: respiratory failure [4 ...
[21] [22] The original name of the species Pneumocystis carinii was later changed to Pneumocystis jirovecii when it was established that the parasite is a fungus that causes human infection. [ 18 ] [ 23 ] Chagas followed the literature closely and quickly confirmed the distinction, whereupon he again adopted the name Trypanosoma cruzi for the ...
X-ray showing infection with Pneumocystis carinii pneumonia. The first known case of HIV in a human occurs in a Bantu man who died in the Congo. [6] [2] His blood sample, designated LEO70, which was taken for a study on Malaria and Glucose-6-phosphate dehydrogenase deficiency [7] later tested positive for HIV using multiple testing modalities. [8]
In the same years, Pneumocystis carinii was often held responsible for severe lung infections in patients affected by AIDS. In 1999, the human variant of Pneumocystis carinii was renamed Pneumocystis jirovecii , but the former name is still commonly used.
It includes the single order Pneumocystidales, which contains the single monotypic family Pneumocystidaceae, which in turn contains the genus Pneumocystis, causative agent of Pneumocystis pneumonia. References
Pneumocystis jirovecii (or Pneumocystis carinii) can cause a form of pneumonia in people with weakened immune systems, such as premature children, patients on immunosuppressive treatment, the elderly and AIDS patients. [15]