This is how coughing can spread coronavirus in a store, according to researchers
Research from Finland attempts to show how fast and far a single cough can spread the kind of aerosol particles that carry the new coronavirus through a typical grocery store. A digital model built by Aalto University in Finland, using data gathered by researchers there and at three other research institutes, was released with a warning: “It is important to avoid busy public indoor spaces.”
Aalto University, the Finnish Meteorological Institute, VTT Technical Research Centre of Finland and the University of Helsinki all conducted the same digital modeling experiment independently, and they all got pretty much the same preliminary data.
That data shows the tiny airborne particles emitted with a cough, sneeze “or even talking” spread in an invisible cloud that lingers for several minutes and spreads quickly over store shelves.