Haemophilus influenza type b (Hib) vaccine


What is Hib?

• Haemophilus influenza type b vaccine prevents meningitis, pneumonia epiglottis, and other serious infection caused by Haemophilus influenza type b bacteria. The vaccine will not protect against these condition if they are caused by other agents.

• Hib vaccine is available in two forms, liquid or freeze – dried. each is available as monovalent vaccine or in combination with other vaccines. many countries give Hib combined with DTP and HepB vaccines (DTP +HepB+Hib).


How safe is Hib vaccine and what are its potential side – effect?

• Haemophilus influenza type b vaccine is very safe there are no known serious reaction to the vaccine.

Mild reactions include:

• Soreness.

• 5% – 15% of those who receive Hib vaccine develop redness, swelling, mild pain at the site of injection.

• Fever; a short time after immunization, between 2%-10% of people may develop a mild fever.


Administration Summary (Hib) vaccine

Type of vaccine


Number of doses

2 or 3 doses (depending on manufacturer)


6,10,14, weeks of age for three doses schedule (depending on manufacturer). In 2.4.6 month of age.




Hypersensitivity to previous dose

Adverse reaction

Mild local reaction

Special precaution




Injection site

Outer mid – thigh for infants. outer upper arm for older children.

Injection type

Intramuscular (IM)

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