Haemophilus influenzae type b – (Hib)
Recommended Age Range:
2, 4, 6, and 12–15 months
Common Side Effects:
Redness, fever, irritability, lethargy
Research & Testing History:
Licensed 1985; conjugate form improved effectiveness. Trials showed >95% efficacy.
Use History:
In use since 1985 (conjugate: 1987)
Trial Size:
~7,000 children <2 years old
Years on Schedule:
~40 years
Known Safety Concerns:
Extremely rare adverse events
Ingredients:
Polyribosylribitol phosphate (PRP) conjugated to tetanus toxoid, aluminum hydroxide, sodium chloride, formaldehyde.
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