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
The Hib conjugate vaccine was licensed for use in infants in 1990, and within five years Hib disease in young children dropped by more than 99%.
—
Jake Scott, CNN Money, 19 Dec. 2025
In his early career as the head of a pediatric emergency department in Minneapolis, before the Hib vaccine was available, Goldhagen would see children die every year from the infections.
—Romy Ellenbogen, Miami Herald, 18 Dec. 2025
The Hib conjugate vaccine was licensed for use in infants in 1990, and within five years Hib disease in young children dropped by more than 99%.
—Jake Scott, The Conversation, 18 Dec. 2025
Several doctors recalled harrowing experiences treating kids for vaccine-preventable illnesses, including Hib and meningitis (inflammation of the brain and spinal cord that the pneumococcal vaccine protects against).
—Aria Bendix, NBC news, 13 Dec. 2025
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
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
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Jake Scott, CNN Money, 19 Dec. 2025
In his early career as the head of a pediatric emergency department in Minneapolis, before the Hib vaccine was available, Goldhagen would see children die every year from the infections.
—Romy Ellenbogen, Miami Herald, 18 Dec. 2025
The Hib conjugate vaccine was licensed for use in infants in 1990, and within five years Hib disease in young children dropped by more than 99%.
—Jake Scott, The Conversation, 18 Dec. 2025
Several doctors recalled harrowing experiences treating kids for vaccine-preventable illnesses, including Hib and meningitis (inflammation of the brain and spinal cord that the pneumococcal vaccine protects against).
—Aria Bendix, NBC news, 13 Dec. 2025
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
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
Cite this Entry
“Hib.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hib. Accessed 2 Jan. 2026.
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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