SUMMARYMycoplasma pneumoniae pneumonia (MPP) is an acute respiratory infection caused by Mycoplasma pneumoniae (MP) and constitutes the primary cause of community-acquired pneumonia (CAP) among children aged 5 years and older in China. The clinical manifestations of MP-associated respiratory disease in children are diverse, ranging from mild upper respiratory symptoms to life-threatening pneumonia. Notably, during the implementation of nonpharmaceutical interventions (NPIs) aimed at curbing SARS-CoV-2 transmission, there was a significant decline in MP infection rates. However, a pronounced global resurgence of MP infections was documented in 2023-2024. The increasing global prevalence of macrolide resistance, particularly in China, coupled with limited alternative antibiotic options for children, increasing rates of coinfections, and the absence of a preventive vaccine, collectively exacerbate treatment challenges and increase the disease burden. Furthermore, the insufficient availability of MP nucleic acid testing and antimicrobial resistance surveillance in primary healthcare settings, coupled with the absence of a comprehensive epidemiological monitoring network, results in a vicious public health cycle. Recent advances and emerging genomic data have provided new insights into its pathogenesis and clinical management. Therefore, in this narrative review, we aim to (i) synthesize the current understanding of the etiological characteristics of MP and the present status of MPP diagnosis and treatment; (ii) analyze recent advances and drivers behind the global resurgence of MP infections; and (iii) propose integrated prevention and control strategies to increase the recognition of MPP and prevent unanticipated outbreaks.
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