Evidence map›Paper›PMID 41042449›Full record

ArticleInfectious diseases and therapy2025

Superior Effectiveness and Estimated Public Health Impact of Cell- Versus Egg-Based Influenza Vaccines in Children and Adults During the US 2023-2024 Season.

Alicia N Stein, Anusorn Thanataveerat, Kimberly McDermott, Alex Dean, Stephanie Wall, Cory Pack, Ian McGovern, Sheena G Sullivan, Mendel Haag

Abstract read
In one paragraph

Article in Infectious diseases and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Influenza Vaccination in Dialysis: New Technologies for a Vulnerable Population.Journal of the American Society of Nephrology : JASN · 2026
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Alicia N SteinCSL Seqirus, Melbourne, Australia. alicia.stein@seqirus.com.
Anusorn ThanataveeratVeradigm, Chicago, IL, USA.
Kimberly McDermottVeradigm, Chicago, IL, USA.
Alex DeanVeradigm, Chicago, IL, USA.
Stephanie WallVeradigm, Chicago, IL, USA.
Cory PackVeradigm, Chicago, IL, USA.
Ian McGovernCSL Seqirus, Waltham, MA, USA.
Sheena G SullivanSchool of Clinical Sciences, Monash University, Melbourne, Australia.
Mendel HaagCSL Seqirus, Amsterdam, The Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe aim of this study was to assess the relative vaccine effectiveness (rVE) of cell-based versus egg-based quadrivalent influenza vaccines (QIVc versus QIVe) in preventing test-confirmed influenza during the 2023-2024 US influenza season.

methodsrVE was estimated using a test-negative design applied to a large, linked, real-world dataset. QIVc or QIVe recipients aged 6 months-64 years who were tested for influenza within ± 7 days of an acute respiratory or febrile illness were included. rVE was estimated using doubly robust logistic regression. Analyses were performed for the full, pediatric, adult, outpatient and high-risk populations and by influenza type. Public health impact was assessed using a compartmental influenza burden averted model.

resultsThe analysis included 2119 QIVc-cases, 14,750 QIVc-controls, 14,559 QIVe-cases, and 75,351 QIVe-controls. QIVc was superior to QIVe in preventing test-confirmed influenza with an rVE of 19.8% (95% CI 15.7-23.8%) in the full population, and with rVEs of 19.6% (13.6-25.3%) in the pediatric population aged 6 months-17 years and 18.5% (12.1-24.5%) in adults aged 18-64 years. Consistent results were observed for all sensitivity and subgroup analyses against any influenza. If all vaccinated individuals aged 6 months-64 years in the US received QIVc over QIVe, an estimated 2,379,395 additional symptomatic illnesses would have been prevented, with proportionate reductions in related complications.

conclusionsOur analysis showed superior effectiveness of QIVc over QIVe in preventing test-confirmed influenza among persons aged 6 months-64 years, and provided the first demonstration of superiority in pediatric populations from 6 months of age. A Graphical Abstract is availible for this article.

Indexed as

BurdenBurden avertedCell-based influenza vaccineEgg adaptationInfluenzaInfluenza virus mismatchRelative vaccine effectiveness

Identifiers

PMID41042449
PMCPMC12602737

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.