Performing Arts Aerosol Study: Preliminary Testing Report

https://www.nfhs.org/media/4029952/preliminary-testing-report-7-13-20.pdf?fbclid=IwAR1NO5YycULnjc61NB1I9o9jYSSv8vJYjZCMBwV2O7-B5xJnI8vX5G2l7yw