Summary of changes to the revised recommendations
All confirmed cases of invasive Hib disease and all their household contacts should now be offered antibiotic chemoprophylaxis.
Based on the most recent data from calendar years 2020 to 2022, Hib is not a significant pathogen in any age group. Consequently, the 2024 guidance has been amended to protect those who remain at increased risk, namely the index case and household contacts.
The 2024 guidance no longer includes a definition of ‘Probable Hib’ (previously defined as “individuals with epiglottitis where Hi was isolated from a sterile site”) or a ‘Vulnerable Individual’ in the household (child younger than 10 years or an immunosuppressed or asplenic individual of any age)…
