Haemophilus influenzae


Standard Precautions

General Information

Small Gram-negative coccobacillus.

  • Normal respiratory flora

  • Invasive disease sharply declined after Hib conjugate vaccine widely used, especially in children <5yrs old

  • Most invasive disease is now caused by non-typeable strains

Colonizer of the upper respiratory tract but can cause invasive disease including:

  • Pneumonia/empyema

  • COPD exacerbation

  • Bacteremia (post-splenectomy)

  • Epiglottitis

  • Meningitis

  • Droplet precautions if presentation is epiglottitis.

  • Asplenic patients at risk of invasive infection

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