Table 2 NCCMT Rapid Evidence Service search strategy: COVID-19-relevant databases

Medline

Medline (OVID)*

https://www.wolterskluwer.com/en/solutions/ovid/ovid-medline-901

World Health Organization

Global literature on coronavirus disease*

https://search.bvsalud.org/global-literature-on-novel-coronavirus-2019-ncov/

McMaster University

McMaster PLUS™ COVID-19 Evidence Alerts*

https://plus.mcmaster.ca/COVID-19/

McMaster Health Forum

https://www.mcmasterforum.org/

MedRxiv

Preprint Server for Health Sciences*

https://www.medrxiv.org/

Epistemonikos

COVID-19 Living Overview of the Evidence (L·OVE)*

https://app.iloveevidence.com/

University of York

Prospero Registry of Systematic Reviews

https://www.crd.york.ac.uk/prospero/

Cochrane

COVID Review Bank

https://covidreviews.cochrane.org/search/site

University of Oxford

Oxford COVID-19 Evidence Service: Current Questions Under Review

https://www.cebm.net/covid-19/current-questions-under-review/

NCCMT

COVID-19 Rapid Evidence Reviews

https://www.nccmt.ca/covid-19/covid-19-evidence-reviews

The University of Edinburgh

Uncover (USHER Network for COVID-19 Evidence Reviews)

https://www.ed.ac.uk/usher/uncover

Alberta Health Services

Catalogue of internally completed syntheses

https://www.albertahealthservices.ca/

CDC

Morbidity and Mortality Weekly Report

https://www.cdc.gov/mmwr/Novel_Coronavirus_Reports.html

Public Health England

Catalogue of internally completed syntheses

https://phe.koha-ptfs.co.uk/

*Denotes high yield database

Abbreviations: CDC: Centers for Disease Control and Prevention; NCCMT: National Collaborating Centre for Methods and Tools

Note: Other databases may be searched when relevant to the research question(s); a comprehensive list of databases, as well as additional information and descriptions, can be found in the Supplementary Materials.