Source: https://ottawacitizen.com/diseases-and-conditions/coronavirus/physical-distancing-not-enough-when-indoors/wcm/63935e85-e142-4650-ad89-761c1af52d4a
The study, conducted by the Penn State Department of Architectural Engineering and published in the journal Sustainable Cities and Society, examined three factors: the amount and rate of air moving through an indoor space, the airflow pattern associated with different methods of ventilation and the aerosol emission mode of breathing versus talking.–Nightbirde, the America’s Got Talent contestant, has died at age 31