Table 1.

Interventions to control the spread of COVID‐19

Interventions to limit the direct and indirect spread, especially by droplets

Limiting the number of people that may meet in a group, especially indoors

Encouraging individuals to practise social and physical distancing

The effective use of personal protective equipment (PPE), such as masks and face shields

People who are unwell staying away from others and their workplace

Encouraging individuals to undertake regular hygiene/hand washing

Limiting the movements of people

Isolate† all people with infection

Quarantine† all close contacts of cases of COVID‐19

Quarantine all arrivals from higher prevalence countries or regions

Closing international borders

Prevention or limitation of the movements of persons geographically within or between a State/Territory or other defined area (including stay‐at‐home directions, maximum‐distance‐travel‐from‐home directions and regulations preventing movement into and out of particular locations)

Intervention to find infected individuals

Facilitating timely contact tracing

Increasing the testing of potential COVID‐19 cases

Testing those with any symptoms

^†The differences between isolation and quarantine are given in U.S. Department of Health and Human Services. ³¹