California Department of Public Health, COVID-19 Public Health Guidance for K-12 Schools in California, 2021-22 School Year (originally published July 12, 2021) (Ex. SEC-15-024)
State Public Health Officer (Tomas J. Aragon, M.D.), California Department of Public Health, State Public Health Officer Order of August 11, 2021 (Vaccine Verification for Workers in Schools) (Aug. 11, 2021) (Ex. SEC-15-023)
Ballotpedia, School responses to the coronavirus (COVID-19) pandemic during the 2021-2022 academic year (school mask requirements and bans, staff and student vaccine requirements, litigation) (Aug. 1, 2022) (Ex. SEC-15-003)
