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Abstract

In March 2023, 34 associated cases of iatrogenic botulism were detected in Germany (30 cases), Switzerland (two cases), Austria (one case), and France (one case). An alert was rapidly disseminated via European Union networks and communication platforms (Food- and Waterborne Diseases and Zoonoses Network, EpiPulse, Early Warning and Response System) and the International Health Regulation mechanism; the outbreak was investigated in a European collaboration. We traced sources of the botulism outbreak to treatment of weight loss in Türkiye, involving intragastric injections of botulinum neurotoxin. Cases were traced using a list of patients who had received this treatment. Laboratory investigations of the first 12 German cases confirmed nine cases. The application of innovative and highly sensitive endopeptidase assays was necessary to detect minute traces of botulinum neurotoxin in patient sera. The botulism notification requirement for physicians was essential to detect this outbreak in Germany. The surveillance case definition of botulism should be revisited and inclusion of cases of iatrogenic botulism should be considered as these cases might lack standard laboratory confirmation yet warrant public health action. Any potential risks associated with the use of botulinum neurotoxins in medical procedures need to be carefully balanced with the expected benefits of the procedure.

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2023-06-08
2024-12-03
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2023.28.23.2300203
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A large travel-associated outbreak of iatrogenic botulism in four European countries following intragastric botulinum neurotoxin injections for weight reduction, Türkiye, February to March 2023
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Martin+Bernhard+Dorner&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dorner Martin Bernhard</a>, <a href="/search?value1=Hendrik+Wilking&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Wilking Hendrik</a>, <a href="/search?value1=Martin+Skiba&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Skiba Martin</a>, <a href="/search?value1=Laura+Wilk&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Wilk Laura</a>, <a href="/search?value1=Maximilian+Steinberg&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Steinberg Maximilian</a>, <a href="/search?value1=Sylvia+Worbs&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Worbs Sylvia</a>, <a href="/search?value1=Sabahat+%C3%87eken&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Çeken Sabahat</a>, <a href="/search?value1=Sedat+Kaygusuz&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kaygusuz Sedat</a>, <a href="/search?value1=St%C3%A9phanie+Simon&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Simon Stéphanie</a>, <a href="/search?value1=Fran%C3%A7ois+Becher&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Becher François</a>, <a href="/search?value1=Agata+Mikolajewska&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mikolajewska Agata</a>, <a href="/search?value1=Christian+Kornschober&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kornschober Christian</a>, <a href="/search?value1=Timo+B%C3%BCtler&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bütler Timo</a>, <a href="/search?value1=Nathalie+Jourdan-Da-Silva&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jourdan-Da-Silva Nathalie</a>, <a href="/search?value1=Maria+an+der+Heiden&option1=author&noRedirect=true" class="nonDisambigAuthorLink">an der Heiden Maria</a>, <a href="/search?value1=Lars+Schaade&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Schaade Lars</a>, <a href="/search?value1=Klaus+Stark&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Stark Klaus</a>, <a href="/search?value1=Brigitte+Gertrud+Dorner&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dorner Brigitte Gertrud</a>, <a href="/search?value1=Christina+Frank&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Frank Christina</a></span>. A large travel-associated outbreak of iatrogenic botulism in four European countries following intragastric botulinum neurotoxin injections for weight reduction, Türkiye, February to March 2023. <a href="/content/ecdc">Euro Surveill.</a> 2023;28(23):pii=2300203. <a href="https://doi.org/10.2807/1560-7917.ES.2023.28.23.2300203" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2023.28.23.2300203</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 05 Apr 2023;&nbsp;&nbsp; <span class="generated">Accepted</span>: 14 May 2023 </span> </p>
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