Colleges can prevent 96 percent of COVID-19 infections with common measures, study finds
https://www.sciencedaily.com/releases/2021/01/210113090906.htm
The research, published in Annals of Internal Medicine, has immediate significance as college semesters are poised to start again -- and as the distribution of approved vaccines lags behind goals.
The study found that a combination of just two common measures -- distancing and mandatory masks -- prevents 87% of campus COVID-19 infections and costs only $170 per infection prevented.