Keeping a safe space between yourself and other people, and avoiding crowds, in order to slow the spread of infectious diseases. Large-scale measures include canceling group events or closing schools, workplaces and public spaces. Open English WordNet

In public health, social distancing, also called physical distancing, is a set of non-pharmaceutical interventions or measures intended to prevent the spread of a contagious disease by maintaining a physical distance between people and reducing the number of times people come into close contact with each other. Wikipedia

Reduction of human social interaction in an effort to prevent the spread of infectious disease Wikidata