Community use of face masks and similar barriers to prevent respiratory illness such as COVID-19: a rapid scoping review

ConclusionWearing face masks may reduce primary respiratory infection risk, probably by 6–15%. It is important to balance evidence from RCTs and observational studies when their conclusions widely differ and both are at risk of significant bias. COVID-19-specific studies are required.

Source: Eurosurveillance - December 10, 2020 Category: Infectious Diseases Authors: Julii Brainard, Natalia R. Jones, Iain R Lake, Lee Hooper and Paul R Hunter Source Type: research