IS481-based pertussis positivity transition from preschool to school-aged children and the <i>ptxP3</i> predominance in high-load subset: a digital platform surveillance study in China.

Emerg Microbes Infect · 2026 · PMC13353460 · PMID 42419305

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an increasing trendno p-value reported

Intriguingly, erythromycin-resistant ptxP3 strain (ERBP- ptxP3 ) was first identified in China in 2017 and has since shown an increasing trend in clinical isolates [ 2 , 11 , 13 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.

IS481-based pertussis positivity transition from preschool to school-aged children and the &lt;i&gt;ptxP3&lt;/i&gt; predominance in high-load subset: a digital platform surveillance study in China.

The sentences

IS481-based pertussis positivity transition from preschool to school-aged children and the <i>ptxP3</i> predominance in high-load subset: a digital platform surveillance study in China.