Supplementary Table 1.

Educational Areas Addressed Starting in September 2020, Before Any COVID-19 Vaccines Received Emergency Use Authorization

• The history of vaccine safety and the success of vaccination programs in the United States

• The role of center leaders, providers, and clinical staff in promoting vaccine acceptance

• Acknowledging the flood of sometimes conflicting information about vaccines, and establishing trusted communication channels for information going forward

• The research and approval process, related to safety and efficacy

• How vaccines work, including background on mRNA vaccines, to begin to build confidence in the new technology

• The possibility of side effects, and the fact that most of them are simply reflections of a functioning immune system and a favorable vaccine response