How is pneumonia characterized in patients with Haemophilus influenzae infections?

Updated: Jun 11, 2021
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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H influenzae pneumonia is clinically indistinguishable from other bacterial pneumonias, but insidious onset and a history of fever, cough, and purulent sputum production are usually noted.

H influenzae was shown to be more common as a cause of community-acquired pneumonia (CAP) in patients with previous pneumococcal vaccination and those with respiratory co-morbidities. [34]

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