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Resource
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Last updated
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Search strategy available?
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Search details
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Notes
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COVID-19 databases (including living maps and trial trackers)
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Cochrane COVID-19 study register
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daily
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Y
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Daily searches of ClinicalTrials.gov and PubMed, weekly searches of the WHO's International Clinical Trials Registry Platform (ICTRP), Embase, medRxiv and monthly searches of CENTRAL – see website About section for further details.
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Annotated collection of human studies on COVID-19, including interventional, observational, diagnostic, prognostic, epidemiological, qualitative and economic designs.
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COVID-19: A living systematic map of the evidence
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weekly
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Y
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Content was derived from Embase and MEDLINE searches to begin with, but it now operates from an automated surveillance of the Microsoft Academic dataset. Further details available in the About section of the map.
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From NIHR Policy Research Programme Reviews Facility, a collaboration between the EPPI-Centre, CRD and LSHTM.
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COVID-19 Best Evidence Front Door
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15 Dec 2021
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N
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Unclear – website states collected from trusted sources including the Cochrane Collaboration and Michigan Critical Care Collaborative Network.
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Database of highly-reliable meta-analyses, literature syntheses, and clinical guidelines on COVID-19. 350 documents currently. Provided by The Taubman Health Sciences Library and the Department of Learning Health Sciences at the University of Michigan.
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COVID-19 Evidence Reviews
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03 April 2022
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N
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Searches of LitCovid, COVID-19 Portfolio Search, WHO COVID database, CEBM Oxford COVID-19 Evidence Service, Cochrane, ECRI COVID-19 Center, National Collaborating Centre for Methods and Tools, McMaster University, INHATA member organizations, PROSPERO, CEBM Questions Under Review, and Cochrane COVID Rapid Reviews.
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Catalog of COVID-19 related reviews provided by the VA Evidence Synthesis Program. Includes completed and in progress reviews by evidence synthesis groups from US and around the world. Those meeting minimum quality standards and living reviews are tagged for easier identification.
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COVID-19 Research Articles Downloadable Database
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09 Oct 2020
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Y
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Systematic searches of various bibliographic databases and hand searching selected grey literature sources. See website under methodology for full details of search strategies used and sources searched.
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Provided by The Stephen B. Thacker CDC Library.
NB: Content up to 9 October 2020 only available via this website. The database has now merged with the WHO COVID-19 database.
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COVID-19 Research Project Tracker
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25 April 2022
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Live database of funded COVID-19 research projects from around the world from UK Collaborative on Development Research (UKCDR) and Global Research Collaboration for Infectious Diseases Preparedness (GLoPID-R).
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COVID-19 TrialsTracker
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22 Nov 2020
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Weekly download of WHO International Clinical Trials Registry Platform (ICTRP) COVID-19 dataset.
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From the DataLab and Centre for Evidence-Based Medicine, University of Oxford.
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COVID-19 vaccine development pipeline
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11 April 2022
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Y
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WHO COVID-19 vaccine landscape document, Milken Institute COVID-19 Treatment and Vaccine Tracker, ClinicalTrials.gov, PubMed, medRxiv
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Developed by the Vaccine Centre at LSHTM to follow COVID-19 vaccine candidates as they progress through the development pipeline. Living review now available with additional searches of PubMed and medRxiv to identify articles reporting results from human clinical trials of COVID-19 vaccine candidates.
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COVID-evidence
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01 Feb 2022
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Y
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Searches of L.OVE platform, WHO International Clinical Trials Registry Platform (ICTRP) and ClinicalTrials.gov. Protocol here
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A living database of planned, ongoing and completed trials of interventions to treat and prevent COVID-19.
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COVID-NMA
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15 April 2022
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Y
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Searches of L.OVE platform, Cochrane COVID study register, Retraction Watch database, WHO International Clinical Trials Registry Platform (ICTRP), European Medicines Agency and U.S. Food and Drug Administration (FDA) approvals website. Latest protocol
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Living mapping of ongoing research on COVID-19 and a living synthesis of published trials.
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IPPO Living Map of Social Science Systematic Reviews
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25 March 2022
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Y
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ER-Web, PubMed, COVID-19 Evidence Reviews Database, Epistemonikos.
Further details listed in: about this map
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Living mapping of social science systematic reviews
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LitCovid
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Updated daily
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N
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Curated literature hub containing articles from PubMed on 2019 novel Coronavirus. Categorised by research topic and geographic location. 244,199 articles 25/04/2022.
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Living Overview of the Evidence: Coronavirus COVID-19
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daily
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y
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Searches of various databases including Epistimonkos, PubMed, Clinicaltrials.gov, ISRCTN – full list of sources and methods described here
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9977 systematic reviews and 266,144 primary studies, 25/04/2022.
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Living systematic review of COVID-19 registered clinical trials
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Weekly
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Y
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Weekly searches of WHO International Clinical Trials Registry Platform – see protocol
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From the Infectious Diseases Data Observatory (IDDO). Aiming to summarise the characteristics of COVID-19 clinical trial registrations. Baseline results of living systematic review and interactive visualisation available.
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Living systematic review of mental health in COVID-19
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?
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Y
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Searches of MEDLINE (Ovid), PsycINFO (Ovid), CINAHL, EMBASE (Ovid), Web of Science, China National Knowledge Infrastructure, Wanfang databases, and various trial registers – see protocol
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LIVIVO COVID-19 Collection
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?
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N
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Sources searched to populate the collection.
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Search portal containing around 50000 studies on COVID-19 / SARS-CoV-2. Also see Preprint database containing COVID-19 related preprints from sources such as medRxiv, bioRxiv, ResearchSquare.
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NIHR Innovation Observatory
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Updated daily
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N
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Searches of ClinicalTrials.gov, WHO ICTRP, EU Clinical Trials Register, CHiCTR, China Trial Registries, GlobalData, Foundation for Innovation New Diagnostics
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Database of ongoing clinical trials of therapies and diagnostic tests relating to COVID-19.
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Norwegian Institute of Public Health systematic and living map on COVID-19 evidence
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09 Feb 2021
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Y
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Screened results of weekly searches of MEDLINE and Embase provided by the Eppi-Center and weekly search of Scopus. See here
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Map of publications on COVID-19 categorised into specific topics, population groups and publications types.
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Health Security Agency Strategic Framework for COVID-19
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16 Dec 2021
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na
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na
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Register of UKHSA led studies since February 2020. Access via PHE Finding the Evidence: Coronavirus page - scroll down to 4th heading “Public Health Strategic Framework for COVID-19”
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UNCOVER Register of Reviews
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na
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na
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Register of completed COVID-19 evidence reviews from around the world provided by UNCOVER (Usher Network for COVID-19 Evidence Reviews). 7,212 reviews 25/04/2022
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WHO COVID-19 Database
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Updated daily (Mon-Fri)
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N
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Searches of bibliographic databases, hand searching, and expert-referred scientific articles. Multiple search strategies under continual revision are used.
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559,358 citations on COVID-19 06/04/2022. Search via new interface or all references are available to download into Excel or reference management software.
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Other relevant databases
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Global Health and CAB Abstracts
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?
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na
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na
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Public health database containing coronavirus collection (not open access).
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GIDEON (Global Infectious Disease and Epidemiology Online Network)
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?
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na
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na
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Infectious diseases database via Ovid (not open access).
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COVID-19 datasets
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COVID-19 Open Research Dataset (CORD-19)
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Updated daily
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Y
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"COVID-19" OR Coronavirus OR "Corona virus" OR "2019-nCoV" OR "SARS-CoV" OR "MERS-CoV" OR “Severe Acute Respiratory Syndrome” OR “Middle East Respiratory Syndrome” used to search PubMed PMC and bioRxiv and medRxiv pre-prints.
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Free resource of over 280,000 scholarly articles, some with full text, about COVID-19 and the coronavirus family of viruses. From PubMed PMC, WHO, bioRxiv and medRxiv pre-prints.
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COVID-19 Open Research Dataset Challenge (CORD-19)
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01 April 2022
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Y
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As above
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Datasets and notebooks for an AI challenge using the above dataset.
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Rapid reviews
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Cochrane COVID Rapid Reviews
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na
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na
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9 completed rapid reviews, 1 in progress
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Cochrane Effective Practice and Organisation of Care Group
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na
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na
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9 Summaries of Cochrane Reviews from EPOC and other groups relevant to COVID-19.
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ECRI COVID-19 Clinical Evidence Assessments
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na
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na
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Collection of evidence assessments undertaken by Emergency Care Research Institute (ECRI) on clinical topics relating to COVID-19.
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Living Evidence Repository for COVID-19
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na
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na
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Preliminary reports and systematic reviews published by COVID-19 L·OVE group.
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McMaster NCCMT COVID-19 Rapid Evidence Reviews
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na
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na
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Collection of research questions for rapid evidence reviews currently in development with links to final reviews once complete.
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National Institute for Health and Care Excellence (NICE)
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na
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na
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Collection of COVID-19 rapid guidelines and rapid evidence summaries produced by NICE.
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NIHR Applied Research Collaboration West
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na
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na
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Collection of evidence reviews both in progress and complete, by teams of researchers from various research groups across England.
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Oxford COVID-19 Evidence Service
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na
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na
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Collection of rapid reviews in response to questions from GPs on COVID-19.
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UK Health Security Agency Guide to Rapid Reviews
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April 2022
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na
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Useful guide to sources of rapid reviews detailing content, search features and approach of each resource.
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UKHSA Covid-19 Rapid Reviews
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na
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na
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Completed and in progress rapid reviews by PHE COVID-19 Evidence Team.
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UNCOVER (Usher Network for COVid-19 Evidence Reviews)
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na
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na
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Rapid reviews completed in short time-scales by Usher Institute, University of Edinburgh.
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Evidence briefings
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COVID-I9 Alert – UKHSA Knowledge and Library Service
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Daily
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N
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UKHSA Knowledge and Library Services produce a daily alert containing links to research and news on the latest coronavirus outbreak. Contains latest research articles and news from government departments. See under tab ‘Keeping up to date’. Email libraries@phe.gov.uk to be put on mailing list.
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Epistemonikos Foundation COVID-19 Blog
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26 June 2020
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N
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Evidence-based answers.
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Evidence Aid Coronavirus evidence collection
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28 February 2020
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N
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Plain language summaries of high quality research within the categories of diagnostics and epidemiology, health and social care systems and services, infection prevention and control, social consequences of pandemic and treatment.
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Institute of Development Studies Health Evidence Summaries
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10 May 2021
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N
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Daily summaries of COVID-19 research to support DFID and UK government response.
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McMaster COVID-19 Evidence Alerts
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Daily
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N
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Searches of MEDLINE
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Daily alerts of articles from MEDLINE relating to COVID-19 clinical care, critically appraised and assessed for clinical relevance by researchers and clinicians from McMaster University.
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Office for National Statistics COVID-19 roundup
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Daily
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Summary of insights into latest ONS data and analysis on COVID-19 and effects on society and economy. Sign-up available for daily email alerts.
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UKHSA Behavioural Science Reference Cell Literature Report
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22 April 2022
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N
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Weekly report of latest research on COVID-19 relating to behavioural science – see under tab ‘Keeping up to date’
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UKHSA Covid-19 Literature Digest
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04 March 2022 [now discontinued]
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N
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Digest of new COVID-19 evidence (articles, pre-prints etc.) published three times a week. Evidence organised into themes (Serology and immunology, diagnostics and genomics, epidemiology and clinical, infection control, treatment, and modelling). See under tab ‘Keeping up to date’
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UKHSA Knowledge and Library Service Weekly Care Homes Evidence Digest
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24 March 2022
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N
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Searches of Covid-19 review repositories, PHE Covid-19 evidence digest, Ovid Medline and Embase, Social Care Online, medRxiv and various websites.
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Weekly digest of evidence on prevention and control of COVID-19 in home care/care home settings. See under tab ‘Keeping up to date’
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The Strategy Unit
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02 Oct 2020
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Y
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See individual summaries for sources searched. Search strategies can be viewed via the live search links. Searches are “pragmatic and specific rather than comprehensive and sensitive”.
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Evidence summaries on covid-19 related topics (8 so far on care homes, lifting restrictions, rehab, screening and testing, broader impacts, impacts on non-covid services, prospective population studies, inequalities). Also includes live evidence searches for each topic and weekly alerting service for new evidence on each topic.
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Auto-searches in other databases
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bioRxiv / med Rxiv preprints
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23,164 hits
25/04/2022
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N
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COVID-19 SARS-CoV-2 preprints from medRxiv and bioRxiv (not peer reviewed).
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CADTH COVID-19 search strings
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Y
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See website
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Search strategies for use in PubMed, MEDLINE, Embase, LitCovid, and Scopus, developed by information specialists at the Canadian Agency for Drugs and Technologies in Healthcare (CADTH).
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ClinicalTrials.gov
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7,867 hits 25/04/2022
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Y
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"wuhan coronavirus" in condition field (automatically searches for these terms in addition: COVID, SARS-CoV-2, 2019 novel coronavirus, 2019-nCoV, severe acute respiratory syndrome coronavirus 2)
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Elsevier – ScienceDirect
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24,003 hits 25/04/2022
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Y
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Coronavirus OR "Corona virus" OR "2019-nCoV" OR "SADS-CoV" OR "SARS-CoV" OR "MERS-CoV" OR “Severe Acute Respiratory Syndrome” OR “Middle East Respiratory Syndrome” (in title, abstract or author-specified keywords)
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Options to further filter results. Free access to the most relevant research on COVID-19 and related viruses.
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Elsevier - SSRN
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Upwards of 12,939 hits as of 18/02/2022 – number no longer identifiable.
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N
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Preprints (not peer-reviewed) articles on COVID-19. Free to download articles.
See also SSRN Interdisciplinary Coronavirus and Infectious Disease Related Research – 9,645 hits 25/04/2022
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Epistemonikos
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271,095 hits
25/04/2022
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Y
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covid-19 OR sars-ncov OR coronavirus OR mers-cov
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From GIDIF-RBM (the Italian Association of Health Librarian and Information Specialists)
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EU Clinical Trials Register
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707 hits
25/04/2022
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Y
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covid-19
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MEDLINE (Ovid)/Journals@Ovid
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250,148 hits
25/04/2022
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N
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Ovid Discovery
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About 861,000 hits 25/04/2022
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Y
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(Coronavirus OR 2019-nCoV OR nCoV OR COVID-19)
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Searches following resources: ClinicalTirals.gov
DisasterLit
DOAJ
Journals@Ovid
LWW Journals & Books
Medknow
Open Research Library
PubMed
Options for further filtering of results.
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PROSPERO
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Updated daily
Human:
3,631 hits 25/04/2022
Animal:
12 hits
25/04/2022
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Y
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Human:
(((coronavirus or corona-virus) AND (wuhan or beijing or shanghai or Italy or South-Korea or korea or China or Chinese or 2019-nCoV or nCoV or COVID-19 or Covid19 or SARS-CoV* or SARSCov2 or ncov)) OR (pneumonia AND Wuhan) or "COVID-19" or "2019-nCoV" or "SARS-CoV" or SARSCOV2 or 2019-nCov or "2019 coronavirus" or "2019 corona virus" or covid19 or ncov OR "novel corona virus" or "new corona virus" or "nouveau corona virus" or "2019 corona virus" OR "novel coronavirus" or "new coronavirus" or "nouveau coronavirus" or "2019 coronavirus" OR (MeSH DESCRIPTOR Coronavirus Infections EXPLODE ALL TREES) OR ((MeSH DESCRIPTOR Coronavirus EXPLODE ALL TREES) AND (wuhan or beijing or shanghai or Italy or South-Korea or korea or China or Chinese or 2019-nCoV or nCoV or COVID-19 or Covid19 or SARS-CoV* or SARSCov2 or ncov))) NOT Animal:DB
Animal:
(((coronavirus or corona-virus) AND (wuhan or beijing or shanghai or Italy or South-Korea or korea or China or Chinese or 2019-nCoV or nCoV or COVID-19 or Covid19 or SARS-CoV* or SARSCov2 or ncov)) OR (pneumonia AND Wuhan) or "COVID-19" or "2019-nCoV" or "SARS-CoV" or SARSCOV2 or 2019-nCov or "2019 coronavirus" or "2019 corona virus" or covid19 or ncov OR "novel corona virus" or "new corona virus" or "nouveau corona virus" or "2019 corona virus" OR "novel coronavirus" or "new coronavirus" or "nouveau coronavirus" or "2019 coronavirus" OR (MeSH DESCRIPTOR Coronavirus Infections EXPLODE ALL TREES) OR ((MeSH DESCRIPTOR Coronavirus EXPLODE ALL TREES) AND (wuhan or beijing or shanghai or Italy or South-Korea or korea or China or Chinese or 2019-nCoV or nCoV or COVID-19 or Covid19 or SARS-CoV* or SARSCov2 or ncov))) AND Animal:DB
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Auto-searches for human or animal systematic review protocols relating to COVID-19. Additional filtering by topic area available. PROSPERO is fast tracking any registrations of systematic reviews relating to COVID-19.
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PubMed
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250,618 hits 25/04/2022
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Y
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2019-nCoV OR 2019nCoV OR COVID-19 OR SARS-CoV-2 OR ((wuhan AND coronavirus) AND 2019/12[PDAT]:2030[PDAT])
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See: MESH supplementary concept of "severe acute respiratory syndrome coronavirus 2" (and mapped to heading Betacoronavirus) is also picked up by the following entry terms:
2019 novel coronavirus
2019-nCoV
COVID-19 virus
COVID19 virus
SARS-CoV-2
SARS2
Wuhan coronavirus
Wuhan seafood market pneumonia virus
coronavirus disease 2019 virus
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Social Care Online
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1465 hits
25/04/2022
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Y
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Covid
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COVID-19 research relating to social care and social work.
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Scopus
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331,571 hits
25/04/2022
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Y
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TITLE-ABS-KEY (“Wuhan coronavirus” OR “Wuhan seafood market pneumonia virus” OR “COVID19*” OR “COVID-19*” OR “COVID-2019*” OR “coronavirus disease 2019” OR “SARS-CoV-2” OR sars2 OR “2019-nCoV” OR “2019 novel coronavirus” OR “severe acute respiratory syndrome coronavirus 2” OR “2019 novel coronavirus infection” OR “coronavirus disease 2019” OR “coronavirus disease-19” OR “novel coronavirus” OR coronavirus OR “SARS-CoV-2019” OR “SARS-CoV-19”)
Advanced search > enter the above as a query string and limit to years 2020, 2021, 2022
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From GIDIF-RBM (the Italian Association of Health Librarian and Information Specialists)
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Trip
|
10,897 hits
25/04/2022
|
Y
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PICO:
Population: covid-19 or "novel coronavirus"
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Search string recommended in Trip blog
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Web of Science Core collection
www. webofknowledge.com
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284,339 hits (Science Citation Index)
25/04/2022
|
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TS=(“Wuhan coronavirus” OR “Wuhan seafood market pneumonia virus” OR “COVID19*” OR “COVID-19*” OR “COVID-2019*” OR “coronavirus disease 2019” OR “SARS-CoV-2” OR SARS2 OR “2019-nCoV” OR “2019 novel coronavirus” OR “severe acute respiratory syndrome coronavirus 2” OR “2019 novel coronavirus infection” OR “coronavirus disease 2019” OR “coronavirus disease-19” OR “novel coronavirus” OR coronavirus OR “SARS-CoV-2019” OR “SARS-CoV-19”)
Advanced search > search in: Science Citation Index Expanded (SCI-EXPANDED) --1900-present > custom year range 2020-2022
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GIDIF-RBM (the Italian Association of Health Librarian and Information Specialists) via this link
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WHO International Clinical Trials Registry Platform
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14,070 records
25/04/2022
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N
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All COVID-19 studies in the registry are available to download as csv or xml file.
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