Contents

6 Haemophilus influenzae type b (Hib) disease

Key information

Mode of transmission By inhalation of respiratory tract droplets or by direct contact with respiratory tract secretions.
Incubation period Unknown, but probably 2–4 days.
Period of communicability May be prolonged. Non-communicable within 24–48 hours after starting effective antimicrobial therapy.
Disease burden Children aged under 5 years, particularly those aged under 1 year.
Funded vaccines DTaP-IPV-HepB/Hib (Infanrix-hexa).

Hib-PRP-T (Act-HIB).
Funded vaccine indications and schedule At age 6 weeks, 3 months and 5 months:
DTaP-IPV-HepB/Hib.

At age 15 months: Hib-PRP-T.

For (re-)vaccination of eligible patients. 
Vaccine efficacy/effectiveness Hib disease has been almost eliminated in countries where Hib vaccine is used.
Public health measures All contacts should have their immunisation status assessed and updated as appropriate.

Rifampicin prophylaxis should be administered to contacts as appropriate.