JUL 8, 2026 · JOURNAL ARTICLE
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.
Emerging Microbes & Infections
Large-scale digital surveillance study documenting pertussis epidemiology and molecular characteristics in China, but lacking a comparator group and relying on a self-selected platform population, limiting causal inference and generalizability.
Reported
IS481 positivity rate4.9%
Absolute number IS481-positive3356
School-aged children proportion52.4% (1759/3356)