The science around the use of masks by the public to impede COVID-19 transmission is
advancing rapidly. In this narrative review, we develop an analytical framework to examine …

Human respiratory virus infections lead to a spectrum of respiratory symptoms and disease
severity, contributing to substantial morbidity, mortality and economic losses worldwide, as …

Face mask use by the general public for limiting the spread of the COVID-19 pandemic is
controversial, though increasingly recommended, and the potential of this intervention is not …

Background Face mask usage by the healthy population in the community to reduce risk of
transmission of respiratory viruses remains controversial. We assessed the effect of …

The increasing prevalence of infectious diseases in recent decades has posed a serious
threat to public health. Routes of transmission differ, but the respiratory droplet or airborne …

Background This document provides advice on the use of masks in communities, during
home care, and in health care settings in areas that have reported cases of COVID-19. It is …

A pandemic of a novel Coronavirus emerged in December of 2019 (COVID-19), causing
devastating public health impact across the world. In the absence of a safe and effective …

Introduction Transmission of COVID-19 within families and close contacts accounts for the
majority of epidemic growth. Community mask wearing, hand washing and social distancing …

Background Conflicting recommendations exist related to whether masks have a protective
effect on the spread of respiratory viruses. Methods The Preferred Reporting Items for …

The surge of patients in the pandemic of COVID‐19 caused by the novel coronavirus SARS‐
CoV‐2 may overwhelm the medical systems of many countries. Mask‐wearing and …