Epidemiological characteristics of single and co-infections with upper respiratory tract pathogens among children in eastern China: a retrospective study.

Front Pediatr · 2026 · PMC13038908 · PMID 41929913

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a clear trendno p-value reported

pneumoniae infection showed a clear trend of increasing prevalence with age; it was most common in the oldest age group (6–<18 years old), with 44.6% of tested children in this group having M. pneumoniae infection.

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