| Ex. ECO-B-058 | MDH Order of March 27, 2020, Designation of Health Officers (Quarantine)Order designating local health officers to issue isolation and quarantine directives during the COVID-19 catastrophic health emergency | Maryland Department of Health (Secretary Robert R. Neall) | MarylandState | Mar. 27, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q2 | Quarantine and isolation | Confirmed from a secondary source | |
| Ex. ECO-B-118 | Director's Order Requiring the Use of Facial Coverings in Child Education Settings (K-12) (Aug. 13, 2020)Director's Order: facial coverings in K-12 schools | Ohio Department of Health (Director Lance Himes, interim) | OhioState | Aug. 13, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Face-covering requirementSchools and child care | Confirmed from a secondary source | |
| Ex. ECO-B-144 | Twenty-Fifth Modification of the Declaration of a State of Emergency (Aug. 25, 2020)Face coverings required for students in kindergarten and above inside schools; parental notification of positive cases | Governor John Carney | DelawareState | Aug. 25, 2020 | 2020 Q32020 Q42021 Q12021 Q2 | Face-covering requirementSchools and child care | Confirmed from a secondary source | |
| Ex. ECO-B-047 | Oregon OSHA Temporary Rule OAR 437-001-0744, Addressing COVID-19 Workplace Risks (Administrative Order 3-2020; corrected by AO 4-2020, Dec. 11, 2020)Temporary Rule Addressing COVID-19 Workplace Risks (all workplaces): distancing, masks, exposure risk assessment, infection control plan… | Oregon Occupational Safety and Health Division (Oregon OSHA), Department of Consumer and Business Services | OregonState | Nov. 6, 2020 | 2020 Q42021 Q12021 Q2 | Face-covering requirementWorkplace rulesQuarantine and isolation | Confirmed from a secondary source | |
| Ex. ECO-B-043 | COVID-19 Prevention Emergency Temporary Standards, 8 C.C.R. 3205, 3205.1, 3205.2, 3205.3, 3205.4COVID-19 Prevention (written program; exclusion of COVID-19 cases and close contacts from the workplace with pay; outbreak testing… | Occupational Safety and Health Standards Board; Division of Occupational Safety and Health (Cal/OSHA) | CaliforniaState | Nov. 19, 2020 | 2020 Q42021 Q12021 Q2 | Workplace rulesQuarantine and isolation | Confirmed from a secondary source | |
| Ex. ECO-B-106 | Ballotpedia, 'School responses to the coronavirus (COVID-19) pandemic during the 2020-2021 academic year'State-by-State chronology of 2020-21 reopening orders, statewide closures (Kentucky Nov. 23, 2020; Michigan Nov. 18, 2020), in-person… | Ballotpedia (secondary source; Burbio data) | United States (50 States and D.C.)Other | July 8, 2021 | 2020 Q32020 Q42021 Q12021 Q2 | Schools and child care | Confirmed from a secondary source | |