The 2024–2025 Pertussis outbreak in children in Chengdu: A large-scale retrospective cross-sectional study

• Xu Zhang,

  Roles Writing – original draft

  Affiliation Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China

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• Hongjia Chen

  Roles Writing – review & editing

  * E-mail: chenhongjia2026@163.com

  Affiliation Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China

  https://orcid.org/0009-0000-8968-6157

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