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We read with interest recently published articles regarding fever post-immunisation following the introduction of the four-component meningococcal B vaccine (4CMenB).1–3
In retrospective1 and prospective2 audits, Nainani et al (n=38) and Kapur et al (n=35) demonstrated significant increases in emergency department (ED) attendances (0.8% of the local vaccinated population2), investigations (venepuncture in 38%1 and 62%,2 lumbar puncture (LP) in 22%1 and 17%2) and hospitalisations (72%1 and 51%2 (for post-immunisation fever). Murdoch et al’s3 self-controlled case series estimated an additional 1440 hospital admissions per year in the UK following 4CMenB introduction.
We conducted a retrospective audit of infants presented to the ED at …
Contributors AB, FB and CH designed the audit. AB, FB and ML collected the data. ML drafted the manuscript. All other authors contributed to revisions and agreed with the final manuscript.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.