often attributive
: a serotype of haemophilus (Haemophilus influenzae type B) that causes bacterial meningitis and pneumonia especially in children
Hib disease
Hib vaccine
Examples of Hib in a Sentence
Recent Examples on the Web
Booster doses of Hib and PCV are also given at this time.
—
Mary Walrath-Holdridge, USA Today, 26 Sep. 2025
The first was the introduction of a vaccine against Haemophilus influenzae type b (Hib), a bacterium that can cause meningitis.
—Tara Haelle, Scientific American, 23 Sep. 2025
These include the diphtheria, tetanus and pertussis (DTaP) vaccine, the hepatitis B vaccine, Haemophilus influenzae type b (Hib) vaccine, polio vaccine, and measles, mumps and rubella (MMR) vaccine.
—ABC News, 10 Sep. 2025
For childcare facilities and preschools, diphtheria-tetanus-acellular pertussis (DTaP); IPV (polio); measles, mumps and rubella (MMR); varicella; Hib; pneumococcal conjugate; and hepatitis B shots are required.
—Ashley J. Dimella, FOXNews.com, 3 Sep. 2025
Varicella, or chickenpox; Hepatitis B; Haemophilus influenzae type b, or Hib; and Pneumococcal conjugate, or PCV15/20.
—Kirby Wilson, Miami Herald, 3 Sep. 2025
These include at least 4 doses of DTaP, 3 doses of poliovirus, 1 dose of MMR, 3 doses of Hib, 3 doses of HepB, 1 dose of varicella (chickenpox) and 4 doses of PCV vaccines.
—Andrew Montequin, jsonline.com, 22 July 2025
The pneumococcal disease vaccine (PCV) is also administered alongside the DTaP-IPV/Hib vaccines.
—New Atlas, 15 July 2025
Nine vaccines were included in the analysis: diphtheria, tetanus and pertussis or DTaP; Haemophilus influenzae type b or Hib; poliovirus; measles, mumps and rubella; hepatitis B; varicella; hepatitis A; pneumococcal conjugate and rotavirus.
—Jacqueline Howard, CNN, 8 Aug. 2024
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Mary Walrath-Holdridge, USA Today, 26 Sep. 2025
The first was the introduction of a vaccine against Haemophilus influenzae type b (Hib), a bacterium that can cause meningitis.
—Tara Haelle, Scientific American, 23 Sep. 2025
These include the diphtheria, tetanus and pertussis (DTaP) vaccine, the hepatitis B vaccine, Haemophilus influenzae type b (Hib) vaccine, polio vaccine, and measles, mumps and rubella (MMR) vaccine.
—ABC News, 10 Sep. 2025
For childcare facilities and preschools, diphtheria-tetanus-acellular pertussis (DTaP); IPV (polio); measles, mumps and rubella (MMR); varicella; Hib; pneumococcal conjugate; and hepatitis B shots are required.
—Ashley J. Dimella, FOXNews.com, 3 Sep. 2025
Varicella, or chickenpox; Hepatitis B; Haemophilus influenzae type b, or Hib; and Pneumococcal conjugate, or PCV15/20.
—Kirby Wilson, Miami Herald, 3 Sep. 2025
These include at least 4 doses of DTaP, 3 doses of poliovirus, 1 dose of MMR, 3 doses of Hib, 3 doses of HepB, 1 dose of varicella (chickenpox) and 4 doses of PCV vaccines.
—Andrew Montequin, jsonline.com, 22 July 2025
The pneumococcal disease vaccine (PCV) is also administered alongside the DTaP-IPV/Hib vaccines.
—New Atlas, 15 July 2025
Nine vaccines were included in the analysis: diphtheria, tetanus and pertussis or DTaP; Haemophilus influenzae type b or Hib; poliovirus; measles, mumps and rubella; hepatitis B; varicella; hepatitis A; pneumococcal conjugate and rotavirus.
—Jacqueline Howard, CNN, 8 Aug. 2024
Cite this Entry
“Hib.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hib. Accessed 2 Oct. 2025.
Copy CitationMedical Definition
Hib
nounoften attributive
: a serotype of a bacterium of the genus Haemophilus (H. influenzae type B) that causes bacterial meningitis and pneumonia especially in children
Hib disease
a Hib vaccine
see conjugate vaccine
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