This week, the New England Journal of Medicine published an observational study claiming that lifting mask mandates in schools in Massachusetts was associated with increased COVID-19 rates. First, even if these results were true, they have no applicability in the present. Seroprevalence has rocketed past 90%. Most kids have already had COVID. Ergo, they no longer need protection from COVID (which they will get again, eventually). Whether mask mandates avert RSV or other viruses is speculation, and contradicted by