COVID-19 Vaccine Grey Literature Resources: A Curated List of Evidence-Based Sources for Health Professionals, Librarians, and ResearchersFrom the Canadian Agency for Drugs and Technologies in Health (CADTH), this is a compilation of information sources related to regulatory approval, adverse effects, public health guidance, clinical studies, uptake, and evidence reviews of COVID-19 vaccines. The resource list is organized by topic and jurisdiction. This is not an exhaustive list of resources on this topic, and it does not cover consumer health information. The list prioritizes Canadian resources, English and French language material and high-quality public health guidance and knowledge syntheses. It will be updated regularly as new resources become available. Because of the continuously evolving nature of the internet, CADTH cannot be held responsible for occasional inaccuracies due to website changes.