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May 13, 2026Journal of Clinical MedicineOpen Access

Changes in Epidemiological Characteristics in Children with Mycoplasma pneumoniae Seropositivity in Southwest China from 2022 to 2023

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Authors

ZGZhengxiang GaoYDYifei DuanYWYan Wu

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Overview

Retrospective analysis reveals rising Mycoplasma pneumoniae seropositivity in children, suggesting the need for ongoing surveillance.

Key Points

  • This study investigates the epidemiological characteristics of Mycoplasma pneumoniae seropositivity among children in Chengdu between 2022-2023.
  • Conducted a retrospective analysis of data from 39,552 children with acute respiratory infections.
  • Data was collected at West China Second University Hospital from January 2022 to December 2023.
  • Compared seropositivity rates during the COVID-19 pandemic and the post-pandemic phase.
  • Seropositivity rates were significantly lower during the pandemic (p<0.01).
  • Female children showed higher susceptibility to Mycoplasma pneumoniae seropositivity.
  • Epidemic peaks shifted from January-July in 2022 to June-December in 2023.

Cite This Study

Gao et al. (2026) studied this question.

synapsesocial.com/papers/6a04156479e20c90b44451edhttps://doi.org/10.3390/jcm15103655
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