Lack of seroprotection against diphtheria in the Austrian population, in light of reported diphtheria cases in Europe, 2022

Author:

Wagner Angelika1ORCID,Jasinska Joanna1,Schmid Daniela2,Kundi Michael3ORCID,Wiedermann Ursula1ORCID

Affiliation:

1. Center of Pathophysiology, Infectiology and Immunology, Institute of Specific Prophylaxis and Tropical Medicine, Medical University Vienna, Vienna, Austria

2. Center of Pathophysiology, Infectiology and Immunology, Division of Infection Diagnosis and Infectious Disease Epidemiology, Medical University Vienna, Vienna, Austria

3. Center of Public Health, Institute of Environmental Hygiene, Medical University Vienna, Vienna, Austria

Abstract

Following an increase in diphtheria cases in Europe since 2022, we retrospectively estimated the prevalence of seroprotection against diphtheria and tetanus in 10,247 Austrian residents (population: 8,978,929) voluntarily tested between 2018 and 2022. Lack of seroprotection against diphtheria was found in 36% compared with 4% against tetanus. The geometric mean antibody concentration against tetanus was 7.9-fold higher compared with that for diphtheria. Raising awareness of regular booster vaccinations against diphtheria in combination with tetanus and pertussis is urgently needed.

Publisher

European Centre for Disease Control and Prevention (ECDC)

Subject

Virology,Public Health, Environmental and Occupational Health,Epidemiology

Reference14 articles.

1. European Centre for Disease Prevention and Control (ECDC). Increase of reported diphtheria cases among migrants in Europe due to Corynebacterium diphtheriae, 2022. Stockholm: ECDC; 2022. Available from: https://www.ecdc.europa.eu/en/publications-data/increase-reported-diphtheria-cases-among-migrants-europe-due-corynebacterium

2. Circulation of pertussis and poor protection against diphtheria among middle-aged adults in 18 European countries.;Berbers;Nat Commun,2021

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4. Correlates of protection induced by vaccination.;Plotkin;Clin Vaccine Immunol,2010

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