Governor Ralph S. Northam, Executive Directive Number Eighteen (2021), Ensuring a Safe Workplace (Aug. 5, 2021) (Ex. ECO-B-042)
Ballotpedia (secondary source), Ballotpedia, 'State employee vaccine requirements during the coronavirus (COVID-19) pandemic, 2021-2023' (Dec. 31, 2021) (Ex. ECO-B-108)
