carriage of Haemophilus influenzae in the post–type b vaccination era: a systematic review and meta-analysis

Key Points

• This research examines the prevalence of Haemophilus influenzae carriage before and after the type b conjugate vaccination, highlighting variations by serotype, age group, and region.
• Conducted a systematic review and meta-analysis of studies examining carriage rates of Haemophilus influenzae.
• Analyzed variations by serotype, age group, geographic region, and study characteristics.
• Identified significant changes in the prevalence of Haemophilus influenzae carriage post-vaccination.
• Carriage rates varied notably across different age groups and geographic regions.