How is bacterial infection transmitted in hospital-acquired pneumonia (HAP)?

Updated: Jul 30, 2018
  • Author: Burke A Cunha, MD; Chief Editor: John L Brusch, MD, FACP  more...
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Answer

Answer

Inhalation, aspiration, and hematogenous spread are the 3 main mechanisms by which bacteria reach the lungs. The primary route by which organisms enter the lower airways is aspiration of oropharyngeal secretions into the trachea.


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