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Case report
Sexually transmitted diphtheria
  1. Anja Berger1,2,
  2. Carmen Lensing3,
  3. Regina Konrad2,
  4. Ingrid Huber2,
  5. Michael Hogardt2,
  6. Andreas Sing1,2
  1. 1National Consiliary Laboratory for Diphtheria, Oberschleissheim, Germany
  2. 2Bavarian Health and Food Safety Authority, Oberschleissheim, Germany
  3. 3Labor Dr Fenner und Kollegen, Hamburg, Germany
  1. Correspondence to Professor Dr Andreas Sing, Bavarian Health and Food Safety Authority, Veterinärstrasse 2, 85764 Oberschleissheim, Germany; andreas.sing{at}


Diphtheria is caused by diphtheria toxin-producing Corynebacterium species. While classical respiratory diphtheria is transmitted by droplets, cutaneous diphtheria often results from minor trauma. This report concerns the first case of sexually transmitted diphtheria in a patient with non-gonococcal urethritis after orogenital contact.

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  • Funding This work was partly supported by the German Federal Ministry of Health via the Robert Koch Institute and its National Reference Laboratories Network (grant number FKZ 1369-359).

  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed.