Which pathogens are less-causes of nosocomial pneumonia?

Updated: Apr 15, 2021
  • Author: Kartika Shetty, MD, FACP; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Answer

The following are infrequently implicated pathogens in nosocomial pneumonia clusters/outbreaks, usually affecting severely immunocompromised patients:

  • Le gionella species
  • Influenza A virus
  • Respiratory syncytial virus (RSV)
  • Human parainfluenza virus 3 (HPIV-3)
  • Human metapneumovirus (hMPV)

Nosocomial Legionella pneumonia occurs often in outbreaks or clusters.Influenza A, RSV, hMPV, or HPIV-3 may cause hospital-acquired pneumonia (HAP) from person-to-person spread.


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