When was Pneumocystis jiroveci pneumonia (PJP) first identified?

Updated: Apr 24, 2019
  • Author: Shelley A Gilroy, MD, FIDSA; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Answer

Answer

Pneumocystis first came to attention as a cause of interstitial pneumonia in severely malnourished and premature infants during World War II in Central and Eastern Europe. Before the 1980s, fewer than 100 cases of PJP were reported annually in the United States, occurring in patients who were immunosuppressed (eg, cancer patients receiving chemotherapy and solid-organ transplant recipients receiving immunosuppressants). In 1981, the Centers for Disease Control and Prevention reported PJP in 5 previously healthy homosexual men residing in the Los Angeles area.


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