How is Pneumocystis organisms transmitted?

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

Answer

Animal studies have suggested that Pneumocystis organisms are communicable; airborne transmission has been reported. Human evidence of this is provided by molecular analysis of Pneumocystis isolates obtained from groups of patients involved in hospital outbreaks. [7, 8]

Further evidence of human transmission has been found in cases of recurrent pneumonia in which the genotype of Pneumocystis organisms in the same person differed in prior episodes. Despite this, barrier precautions are not required for patients hospitalized with P jiroveci pneumonia (PJP) except to protect other patients with depressed immunity.


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