Additional tips provided by the BBC:
FactCheck.org: A nonpartisan, non-profit project of the Annenberg Public Policy Center of the University of Pennsylvania. Coronavirus factchecks available on this platform, but to see their Coronavirus coverage guide or SciCheck feature, check out the two resources immediately below.
FactCheck.org: Coronavirus Coverage: a guide to FactCheck.org's coverage of coronavirus facts.
FactCheck.org: SciCheck: The SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy.
Politifact: Owned by the Poynter Institute for Media Studies, Poliifact is a non-profit national news organization. Uses Truth-o-meter to present the relative accuracy of the statement.
PunditFact: A project of the Poynter Institute, dedicated to checking the accuracy of claims by pundits, columnists, bloggers, political analysts, the hosts and guests of talk shows, and other members of the media.
Snopes: A non-partisan reference source for urban legends, folklore, myths, rumors, and misinformation.