Governor Kate Brown, Executive Order No. 21-29, COVID-19 Vaccination Requirement for State Executive Branch Employees (Aug. 13, 2021) (Ex. ECO-B-112)
Ballotpedia (secondary source), Ballotpedia, 'State employee vaccine requirements during the coronavirus (COVID-19) pandemic, 2021-2023' (Dec. 31, 2021) (Ex. ECO-B-108)
