Evidence map›Paper›PMID 28085960›Full record

Observational studyPloS one2017

Decreasing Seroprevalence of Measles Antibodies after Vaccination - Possible Gap in Measles Protection in Adults in the Czech Republic.

Jan Smetana, Roman Chlibek, Irena Hanovcova, Renata Sosovickova, Libuse Smetanova, Peter Gal, Petr Dite

Open access · goldAbstract readMulticenter StudyObservational Study
In one paragraph

Observational study in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
3.8field-weighted citation impact, top 6% 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

20 citing papers in PubMed, 45 citations in OpenAlex.

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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

7 authors at 2 institutions in 1 country.

Jan SmetanaDepartment of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
Roman ChlibekDepartment of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
Irena HanovcovaDepartment of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
Renata SosovickovaDepartment of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
Libuse SmetanovaDepartment of Rehabilitation, University Hospital, Hradec Kralove, Czech Republic.
Peter GalMilitary Health Institute, Ceske Budejovice, Czech Republic.
Petr DiteDepartment of Epidemiology, Faculty of Military Health Sciences, University of Defence, Hradec Kralove, Czech Republic.
University of Defence · CZUniversity Hospital Hradec Králové · CZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsIn recent years, Europe has recorded an increase in the number of measles outbreaks despite the implementation of vaccination into the National Immunization Programs. The Czech Republic introduced vaccination against measles into National Immunization Program in 1969. The aim of this study was to determine seroprevalence of IgG antibodies against measles in adults.

methodsOur study was designed as a prospective, multicenter cohort study. Samples of blood were taken from adults aged 18 years and over. Specific IgG antibodies were determined by ELISA method.

resultsA number of 1911 sera samples were obtained. The total seropositivity reached 83.3%, 14.3% of the results were negative and 2.4% were borderline. When comparing the individual age groups, the highest antibody seropositivity (> 96%) was detected in persons aged 50 years and over who were naturally infected in pre-vaccine era. The lowest seropositivity was recorded in the age groups 30-39 years (61.5%), 40-49 years (77.5%) and 18-29 years (81.1%).

conclusionsA long term high rate of seropositivity persists after natural measles infection. By contrast, it decreases over time after vaccination. Similarly, the concentrations of antibodies in persons with measles history persist for a longer time at a higher level than in vaccinated persons. Our results indicate possible gap in measles protection in adults born after implementation of vaccination into the National Immunization Programs. There are two probable reasons, decrease of measles antibody seropositivity in time after vaccination in setting of limited natural booster and one-dose vaccination schedule used in the first years after implementation.

Indexed as

AdolescentAdultAgedAged, 80 and overCohort StudiesCzech RepublicDisease OutbreaksFemaleHumansImmunization ProgramsImmunoglobulin GMaleMass VaccinationMeaslesMeasles VaccineMiddle AgedImmunoglobulin GMeasles Vaccine

Identifiers

PMID28085960
PMCPMC5234812
OpenAlexW2578553695

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.