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A November 2021 PNAS perspective reports the results of a 2020 workshop at the National Academies of Sciences, Engineering, and Medicine (NASEM), convened by the Environmental Health Matters Initiative. The NASEM committee, chaired by Jon Samet, MD, MS, dean of the Colorado School of Public Health, also included ColoradoSPH at CSU faculty and professor of mechanical engineering, John Volckens, PhD. The committee and workshop convened in the fall of 2020 to rapidly inform urgent issues and address the potential for airborne transmission of SARS-CoV-2. The committee concluded that the virus is transmitted by aerosols, that transmission mitigation measures such as masks, social distancing, air filtration, and air ventilation are effective, and that layered transmission interventions should reflect the heterogeneity of factors driving inequitable social burdens of the pandemic.

Read the PNAS published perspective, "SARS-CoV-2 indoor air transmission is a threat that can be addressed with science".