Haemophilus Influenzae

Disease Risk Areas
Worldwide. Possibly more common in "developed countries" but difficult to assess reliably.

Transmission
Spread is normally via contact with infected respiratory secretions which are usually from those without symptoms.

Recommendations for travellers
Children travelling are advised to receive this vaccine as they would in Britain as part of the normal childhood schedule of immunisation at the same time as diphtheria, tetanus, polio and pertussis. Not normally given to adults or children over 4 years of age except those with immunocompromise such as post-spenectomy.

Vaccination

Type: Capsular polysaccharide (non-living)
No of doses: 3 doses for those under 13 months of age. Only one dose for those between 13 and 48 months of age.
Dose: 0.5ml
Route: S/C or I/M
Intervals: One month between doses
Boosters: Not normally given
Should also be given to any child who has suffered from the disease and unimmunised child or nursery school contacts if under 4 years of age.

Side effects
Swelling and redness at site of injection.

Contraindications
Acute febrile illness. Any severe local or general reaction.