GIDEON monitors and collects data from 20,000+ different sources, including National Health Ministry reports, peer-reviewed journals, and periodicals, texts, monographs, international convention abstracts, WHO, CDC, ProMED, and Euro-Surveillance publications; and a daily search of all relevant publications through PubMed.
All sources used by GIDEON are peer-reviewed and backed by scientific evidence, except for those reporting emerging outbreaks, in which case grey literature is relied upon during the early days of the event.