Evidence map›Paper›PMID 35810184›Full record

ArticleScientific reports2022

Tick-borne encephalitis vaccine effectiveness and barriers to vaccination in Germany.

Teresa M Nygren, Antonia Pilic, Merle M Böhmer, Christiane Wagner-Wiening, Ole Wichmann, Thomas Harder, Wiebke Hellenbrand

Erratum issuedAbstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
–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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
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  4. Article
  5. The Lyme Disease Vaccine Paradox.Journal of clinical medicine · 2026
    Article
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  7. Review
  8. Article
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  15. Tick-Borne Encephalitis Vaccine: Recommendations of the Advisory Committee on Immunization Practices, United States, 2023.MMWR. Recommendations and reports : Morbidity and mortality weekly report. Recommendations and reports · 2023
    Article
  16. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

Teresa M NygrenImmunisation Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany. NygrenT@rki.de.ORCID http://orcid.org/0000-0003-2930-8095
Antonia PilicImmunisation Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.ORCID http://orcid.org/0000-0001-6502-7982
Merle M BöhmerBavarian Health and Food Safety Authority (LGL), Oberschleißheim, Germany.ORCID http://orcid.org/0000-0002-2672-7481
Christiane Wagner-WieningState Health Office Baden-Wuerttemberg (LGA), Stuttgart, Germany.
Ole WichmannImmunisation Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.ORCID http://orcid.org/0000-0003-2353-7188
Thomas HarderImmunisation Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.
Wiebke HellenbrandImmunisation Unit, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.ORCID http://orcid.org/0000-0002-8563-3629

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tick-borne encephalitis (TBE) vaccination coverage remains low in Germany. Our case-control study (2018-2020) aimed to examine reasons for low vaccine uptake, vaccine effectiveness (VE), and vaccine breakthrough infections (VBIs). Telephone interviews (581 cases, 975 matched controls) covered vaccinations, vaccination barriers, and confounders identified with directed acyclic graphs. Multivariable logistic regression determined VE as 1-odds ratio with 95% confidence intervals (CI). We additionally calculated VE with the Screening method using routine surveillance and vaccination coverage data. Main vaccination barriers were poor risk perception and fear of adverse events. VE was 96.6% (95% CI 93.7-98.2) for ≥ 3 doses and manufacturer-recommended dosing intervals. Without boosters, VE after ≥ 3 doses at ≤ 10 years was 91.2% (95% CI 82.7-95.6). VE was similar for homologous/heterologous vaccination. Utilising routine surveillance data, VE was comparable (≥ 3 doses: 92.8%). VBIs (n = 17, 2.9% of cases) were older, had more comorbidities and higher severity than unvaccinated cases. However, only few VBIs were diagnostically confirmed; 57% of re-tested vaccinated cases (≥ 1 dose, n = 54) proved false positive. To increase TBE vaccine uptake, communication efforts should address complacency and increase confidence in the vaccines' safety. The observed duration of high VE may inform decision-makers to consider extending booster intervals to 10 years.

Indexed as

Encephalitis, Tick-BorneViral VaccinesCase-Control StudiesGermanyHumansVaccinationVaccine EfficacyViral Vaccines

Identifiers

PMID35810184
PMCPMC9271034

What OpenQuestion holds

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Registered trials

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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.