face coveringsCOVID-19
… see what might have happened in their absence.Results We found face coverings by adults reduced COVID-19 transmission by 5% in adults (90% CI…
Entity family
Programmes, procedures, policies, and other actions being evaluated. Examples include screening, surgery, public-health programmes.
This intervention is selected. Its supporting articles are shown below.
… see what might have happened in their absence.Results We found face coverings by adults reduced COVID-19 transmission by 5% in adults (90% CI…