Identifying airborne transmission as the dominant route for the spread of COVID-19 Renyi Zhang, View ORCID ProfileYixin Li, Annie L. Zhang, View ORCID ProfileYuan Wang, and Mario J. Molina aDepartment of Atmospheric Sciences, Texas A&M University, College Station, TX 77843;bDepartment of Chemistry, Texas A&M University, College Station, TX 77843;cDepartment of Chemistry, College of Natural Science