A 3-year-old child is admitted with invasive Haemophilus influenzae type b infection. The child lives with bot…

Question

A 3-year-old child is admitted with invasive Haemophilus influenzae type b infection. The child lives with both parents and a 20-month-old sibling who has received only one dose of Hib vaccine. All household members are well, and the index child has begun appropriate treatment. Which one of the following household interventions is indicated?

Accepted Answer

Administer rifampicin to household contacts in a home with an incompletely vaccinated child younger than 4 years

Answer

Administer rifampicin to all household contacts regardless of vaccination status

Answer

Administer rifampicin only to child contacts younger than 5 years

Answer

Give a Hib vaccine booster to the parents and no antibiotics

Answer

No intervention is required for household contacts after the index child starts treatment

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