[Epidemic characteristics of mycoplasma pneumoniae infection and drug-resistant gene mutations in hospitalized children aged 0-17 in Ningbo City from 2019 to 2023].

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<0.001). Among them, the Mp positive rates in the summer and autumn of 2019 were as high as 38.26% and 34.49%, while in the summer and autumn of 2020, the Mp positive rates were 2.55% and 1.65%, respectively, which were the lowest in previous years. In the summer and autumn of 2023, the Mp positive rates increased to 47.22% and 51.06%. There was no statistically significant difference in the detection rate of Mp drug-resistant gene mutations among the four seasons. In Conclusion, Mp infection was more prevalent in the summer and autumn in Ningbo city and females and children aged 7-17 were more susceptible. The epidemic of Mp infection in Ningbo occurred in the summer of 2019. After the COVID-19 pandemic in 2020, the positive rate of Mp rapidly decreased and later remained in a low incidence state. After the lifting of restrictive prevention and control measures in 2023, the Mp positive rate returned to an epidemic state. The positive rate of Mp drug-resistant gene (23S rRNA) mutations was relatively high.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.