respiratory viruses

Evaluating Portable HEPA Purifiers to Reduce Respiratory Viral Exposure in Elementary Schools: Insights from a Randomized Clinical Trial Secondary Analysis

A secondary analysis of a cluster-randomized trial found that portable HEPA purifiers modestly reduced viral diversity but did not significantly lower high respiratory viral exposure in elementary school classrooms, suggesting multi-faceted

Impact of COVID-19 Restrictions on Immunity to Streptococcus pyogenes and Respiratory Viruses in Early Childhood