To Maximize Social Distancing Benefits ... is 1, 2, or 3 Metres Best?

According to a new BMJ article published on August 25, 2020, the current rules on safe physical distancing are based on outdated science, since the distribution of viral particles is affected by numerous factors, including airflow. Such as the evidence suggesting the SARS-CoV-2 coronavirus may travel more than 2 metres from coughing and shouting.

These Oxford and MIT researchers said 'rules on social distancing should reflect multiple factors that affect contamination risk, including ventilation, occupancy, and exposure time.'