IS481-based pertussis positivity transition from preschool to school-aged children and the ptxP3 predominance in high-load subset: a digital platform surveillance study in China. (tandfonline.com)

Authors: Xiang C … Wang Y Journal: Emerging Microbes & Infections Published: 2026-07-08 DOI: https://doi.org/10.1080/22221751.2026.2695527