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Search best sources of primary studies

We strongly recommend engaging with an information scientist in order to prepare an appropriate search strategy, unless a member of the research team has the required skills and expertise.

Sources of primary studies on COVID

  •  - includes all study types relevant to Cochrane reviews
  •  - includes a list of RCTs, with risk of bias assessment, data extraction into forest plots and GRADE evidence profiles
  •  - includes critically appraised systematic reviews and single studies organized by quality level and document type
  •  - includes planned, ongoing, and completed trials on any intervention to treat or prevent COVID-19
  •  - includes existing systematic reviews of effects and the primary studies, including trials, that were included in the reviews
  •  - includes systematic reviews and single studies organized by mechanism, transmission, treatment, case report, and epidemic forecasting
  •  - includes single studies

Living maps of COVID studies

  • CAMARADES - human, animal, in vitro and in silico studies, with  available but living evidence map not yet publicly available
  •  - living evidence map of human studies organized by geographic location
  •  - living evidence map and living network meta-analysis; evidence profiles about drug treatments are listed in a previous section
  •  - living evidence map of human studies organized by 11 areas of focus
  •  - living evidence map of human, animal, in vitro and in silico studies organized by eight areas of focus, with additional details 

General sources

  • Cochrane register of studies
  •  - includes curated, tagged and downloadable references to single studies
  •  - includes systematic reviews and single studies organized by document type
  •  - includes U.S. federal government-funded trials
  •  - includes clinical trials
  • Medline

 

Download a PDF of 'Resources for researchers considering and conducting COVID-19 evidence syntheses'

View the interactive flow diagram

Resources for researchers considering and conducting COVID-19 evidence syntheses