Evidence map›Paper›PMID 33298015›Full record

SynthesisBMC public health2020

Systematic literature review of the impact and effectiveness of monovalent meningococcal C conjugated vaccines when used in routine immunization programs.

Myint Tin Tin Htar, Sally Jackson, Paul Balmer, Lidia Cristina Serra, Andrew Vyse, Mary Slack, Margarita Riera-Montes, David L Swerdlow, Jamie Findlow

Open access · goldAbstract readSystematic Review
In one paragraph

Synthesis in BMC public health, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
2.2field-weighted citation impact, top 12% of its field
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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Preventing invasive meningococcal disease in early infancy.Human vaccines & immunotherapeutics · 2022
    Review
  11. Meningococcal Disease in Pediatric Age: A Focus on Epidemiology and Prevention.International journal of environmental research and public health · 2022
    Article
  12. 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 at 4 institutions in 4 countries.

Myint Tin Tin HtarMedical Development, Scientific & Clinical Affairs, Pfizer, 23-25 Avenue Docteur Lannelongue, Paris, 75014, France. Myint.TinTinHtar@pfizer.com.ORCID http://orcid.org/0000-0002-6148-3101
Sally JacksonP95 Epidemiology and Pharmacovigilance, Leuven, Belgium.
Paul BalmerMedical Development, Scientific & Clinical Affairs, Pfizer, 500 Arcola Road, Collegeville, PA, 19426, USA.
Lidia Cristina SerraMedical Development, Scientific & Clinical Affairs, Pfizer, 500 Arcola Road, Collegeville, PA, 19426, USA.
Andrew VyseMedical Development, Scientific & Clinical Affairs, Pfizer, Surrey, UK.
Mary SlackSchool of Medicine, Griffith University Gold Coast campus, Southport, Queensland, 4222, Australia.
Margarita Riera-MontesP95 Epidemiology and Pharmacovigilance, Leuven, Belgium.
David L SwerdlowMedical Development, Scientific & Clinical Affairs, Pfizer, 500 Arcola Road, Collegeville, PA, 19426, USA.
Jamie FindlowMedical Development, Scientific & Clinical Affairs, Pfizer, 23-25 Avenue Docteur Lannelongue, Paris, 75014, France.
Pfizer (United States) · USPfizer (France) · FRGriffith University · AUPfizer (United Kingdom) · GB

Funding

Pfizer Inc. NA
6 · The paper itself

Abstract

backgroundMonovalent meningococcal C conjugate vaccine (MCCV) was introduced into the routine immunization program in many countries in Europe and worldwide following the emergence of meningococcal serogroup C (MenC) in the late 1990s. This systematic literature review summarizes the immediate and long-term impact and effectiveness of the different MCCV vaccination schedules and strategies employed.

methodsWe conducted a systematic literature search for peer-reviewed, scientific publications in the databases of MEDLINE (via PubMed), LILACS, and SCIELO. We included studies from countries where MCCV have been introduced in routine vaccination programs and studies providing the impact and effectiveness of MCCV published between 1st January 2001 and 31st October 2017.

resultsForty studies were included in the review; 30 studies reporting impact and 17 reporting effectiveness covering 9 countries (UK, Spain, Italy, Canada, Brazil, Australia, Belgium, Germany and the Netherlands). Following MCCV introduction, significant and immediate reduction of MenC incidence was consistently observed in vaccine eligible ages in all countries with high vaccine uptake. The reduction in non-vaccine eligible ages (especially population > 65 years) through herd protection was generally observed 3-4 years following introduction. Vaccine effectiveness (VE) was mostly assessed through screening methods and ranged from 38 to 100%. The VE was generally highest during the first year after vaccination and waned over time. The VE was better maintained in countries employing catch-up campaigns in older children and adolescents, compared to routine infant only schedules.

conclusionsMCCV were highly effective, showing a substantial and sustained decrease in MenC invasive meningococcal disease. The epidemiology of meningococcal disease is in constant transition, and some vaccination programs now include adolescents and higher valent vaccines due to the recent increase in cases caused by serogroups not covered by MCCV. Continuous monitoring of meningococcal disease is essential to understand disease evolution in the setting of different vaccination programs.

Indexed as

Meningococcal InfectionsMeningococcal VaccinesAdolescentAgedAustraliaBelgiumBrazilCanadaChildEuropeGermanyHumansImmunization ProgramsInfantItalyNetherlandsMeningococcal VaccinesVaccines, Conjugateeffectivenessherd protectionimmunizationimpactMeningococcal disease

Identifiers

PMID33298015
PMCPMC7724720
OpenAlexW3112788061

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.