skip to main content
covidend_logo_color

Our network of sites

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

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

Living maps of COVID studies

  • CAMARADES - human, animal, in vitro and in silico studies, with protocol available but living evidence map not yet publicly available
  • Campbell UK and Ireland - living evidence map of human studies organized by geographic location
  • COVID-NMA - living evidence map and living network meta-analysis; evidence profiles about drug treatments are listed in a previous section
  • EPPI Centre - living evidence map of human studies organized by 11 areas of focus
  • Norwegian Institute of Public Health - living evidence map of human, animal, in vitro and in silico studies organized by eight areas of focus, with additional details here

General sources

 

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

Resources for researchers considering and conducting COVID-19 evidence syntheses