Haemophilus ducreyi Bacteria Causing Cutaneous Ulcer Outbreak in Children, Sierra Leone, December 2025.

Authors

Jianxu Zhang, Peng Lv, Teng Zhao, Hanji Jiang, James S Squire, Martin S Yonnie, Zikan Koroma, Ibrahim F Kamara, Abdulai A Jalloh, Guangqian Pei, Yunfei Wang, Hongling Liu, Mohamed B Jalloh, Zhiqiang Mi

Published in

Emerging infectious diseases. Volume 32. Issue 10. Pages 1764-1767.

Abstract

We report a cutaneous ulcer outbreak in Sierra Leone in 2025 that predominantly affected ≈403 schoolchildren. The causative agent was confirmed as Haemophilus ducreyi, a bacterium traditionally associated with the sexually transmitted infection chancroid but more recently recognized as an emerging cause of lower limb cutaneous ulcers in tropical regions.

PMID:
42811479
Bibliographic data and abstract were imported from PubMed on 30 Sep 2026.

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