Executive summary As of May 31, 2022, there were 6· 9 million reported deaths and 17· 2
million estimated deaths from COVID-19, as reported by the Institute for Health Metrics and …

This narrative review and meta-analysis summarizes a broad evidence base on the benefits—
and also the practicalities, disbenefits, harms and personal, sociocultural and environmental …

The purpose of this systematic review and meta-analysis is to determine the effect of
lockdowns on COVID-19 mortality based on available empirical evidence. Lockdowns are …

Importance There is evidence that Republican-leaning counties have had higher COVID-19
death rates than Democratic-leaning counties and similar evidence of an association …

Evidence-based medicine (EBM's) traditional methods, especially randomised controlled
trials (RCTs) and meta-analyses, along with risk-of-bias tools and checklists, have …

Background: It is uncertain if medical masks offer similar protection against COVID-19
compared with N95 respirators. Objective: To determine whether medical masks are …

This rapid systematic review of evidence asks whether (i) wearing a face mask,(ii) one type
of mask over another and (iii) mandatory mask policies can reduce the transmission of …

Management of the COVID-19 pandemic caused by severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has relied in part on the use of personal protective equipment …

Background Viral epidemics or pandemics of acute respiratory infections (ARIs) pose a
global threat. Examples are influenza (H1N1) caused by the H1N1pdm09 virus in 2009 …

• Compared with the other Group of 10 (G10) countries, Canada performed better than most
in terms of percentage of the population receiving 2 doses of a SARS-CoV-2 vaccine, and …