Snopes, formerly known as the Urban Legends Reference Pages, is a fact-checking website. It has been described as a "well-regarded reference for sorting out myths and rumours" on the Internet.

Guardian Project creates easy-to-use secure apps, open-source software libraries, and customised solutions that can be used around the world by any person looking to protect their communications and personal data from unjust intrusion, interception and monitoring.

This document entitled "Facts, persistence and consistency are the most important weapons in the fight against vaccine misinformation" is primarily an overview of the different types of misinformation encountered by the project team in their fact-checking work and contains conclusions and recommendations for media professionals, researchers, and additionally anyone who wants to delve deeper into the world of Covid-19 misinformation and Covid-19 vaccines.