One of the most recent studies by aerosol engineers, dealing with aerosol transmission of SARS-CoVid -2 (CoVid19) and protective measures indoors.

Original article here: https://science.sciencemag.org/content/early/2020/06/08/science.abc6197

Our short summary here

While the authors’ main focus is to establish efficiency of masks as a protective measure both indoors and outdoors, our point is to emphasize that keeping your indoor air clean from pathogens is vital.