Objective To review the evidence on the effectiveness of public health measures in reducing
the incidence of covid-19, SARS-CoV-2 transmission, and covid-19 mortality. Design …

Non-communicable diseases (NCDs) are fatal for more than 38 million people each year
and are thus the main contributors to the global burden of disease accounting for 70% of …

INTRODUCTION Mask usage remains low across many parts of the world during the COVID-
19 pandemic, and strategies to increase mask-wearing remain untested. Our objectives …

There is ample evidence that masking and social distancing are effective in reducing severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission. However, due to the …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible
and virulent human-infecting coronavirus that emerged in late December 2019 in Wuhan …

The use of facemasks by the general population is recommended worldwide to prevent the
spread of SARS-CoV-2. Despite the evidence in favour of facemasks to reduce community …

Scientists across disciplines, policymakers, and journalists have voiced frustration at the
unprecedented polarization and misinformation around coronavirus disease 2019 (COVID …

Given the continued burden of COVID-19 worldwide, there is a high unmet need for data on
the effect of social distancing and face mask use to mitigate the risk of COVID-19. We …

The COVID-19 pandemic is the most severe pandemic caused by a respiratory virus since
the 1918 influenza pandemic. As is the case with other respiratory viruses, three modes of …

There is increasing understanding, globally, that climate change and increased pollution will
have a profound and mostly harmful effect on human health. This review brings together …