Which patients are at highest risk for invasive Haemophilus influenzae disease?

Updated: Jun 11, 2021
  • Author: Joseph Adrian L Buensalido, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Persons at risk for invasive H influenzae disease include the following:

  • Children younger than 4 years
  • Contacts (eg, household and daycare) of someone with Hib disease
  • Persons with sickle cell disease,
  • Persons with asplenia
  • Individuals with HIV infection
  • Individuals with immunoglobulin deficiencies and complement component deficiencies
  • Hematopoietic stem cell transplant recipients
  • Patients undergoing chemotherapy or radiation therapy for malignant neoplasms
  • American Indians and Alaska Natives

See Clinical Presentation for more detail.

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