Research Article: The real-world effectiveness of preschoolers wearing masks on campus to prevent respiratory infectious diseases: a cohort study
Abstract:
Background: Respiratory infections are common in the pediatric population. Preschoolers, especially those in kindergarten and 3–6?years old, are highly vulnerable to various respiratory infections.
Introduction:
Objective: To investigate the efficacy of indoor mask-wearing in mitigating respiratory infections in preschoolers in a real-world campus setting.
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