Science Coronavirus rules: How much physical distancing is enough? Physical distancing is important. But a set distance rule does not do justice to the way viruses actually spread, British researchers say. And the CDC warns: Infections can occur after only a few minutes of -- streptococci coughed out in droplets flew no further than 1.7 meters. * People sitting in circles marking correct distancing on a lawn on the banks of the river Rhine near Düsseldorf. -- streptococci coughed out in droplets flew no further than 1.7 meters. * People sitting in circles marking correct distancing on a lawn on the banks of the river Rhine near Düsseldorf. -- * Number of pictures 11 * Author Fabian Schmidt * Keywords COVID-19, SARS-CoV-2, corona virus, social distancing, physical distancing, sheep, dogs, walkies * Send us your feedback. * Print Print this page