Cochrane Library
'Society has choices: find out if they work or not, and in what circumstances, or recommend their use, with or without other measures, or use those non-pharmacological interventions where there is more evidence of benefit."
.'Adding virucidals or antiseptics tonormal handwashing to decrease respiratory disease transmission remains uncertain. Global measures, such as screening at entry ports, led to a non‐significant marginal delay in spread. There was limited evidence that social distancing was effective, especially if related to the risk of exposure."