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  1. Hib Vaccination | CDC

  2. Haemophilus influenzae Disease (including Hib) | CDC

  3. Haemophilus Influenzae: Symptoms, Causes & Treatment - Cleveland Clinic

  4. Hib Vaccination: What Everyone Should Know | CDC

  5. Hib (Haemophilus Influenzae Type B) | HHS.gov

  6. Haemophilus influenzae - Wikipedia

  7. Haemophilus influenzae type b (Hib) - World Health Organization

  8. An Overview of Haemophilus Influenzae Type B (Hib) - Verywell …

  9. Hib (H. influenzae Type B) Vaccine - WebMD

  10. HIB - National Vaccine Information Center (NVIC)