| Ex. MET-CHI-040 | Order of the Cook County Department of Public Health No. 2021-9COVID-19 Phase 5 | Cook County Department of Public Health | Suburban Cook County, Illinois (CCDPH jurisdiction)County | June 10, 2021 | 2021 Q22021 Q3 | Other | Primary source read | |
| Ex. MET-CHI-048 | COVID-19 Phase 5 Mitigation OrderCOVID-19 Phase 5 Mitigation Order | Public Health Director Theresa Chapple-McGruder, Village of Oak Park | Village of Oak Park, Cook County, IllinoisCity | June 11, 2021 | 2021 Q22021 Q3 | Face-covering requirementHealth care orders | Primary source read | |
| Ex. MET-CHI-032 | Chicago Emergency Travel Order / Travel Advisory State-by-State List (July 20, 2021)Chicago Emergency Travel Order State by State List | Chicago Department of Public Health | City of Chicago, IllinoisCity | July 20, 2021 | 2021 Q3 | Travel and quarantine | Primary source read | |
| Ex. MET-CHI-051 | Metra COVID-19 operating rules: mask mandate and alternate schedules (agency page as archived Aug. 2, 2021)Metra - Coronavirus: face coverings required; alternate weekday and Sunday/holiday weekend schedules | Commuter Rail Division of the Regional Transportation Authority (Metra) | Metra commuter rail service area (Cook and the five collar counties)Sector regulator | Aug. 2, 2021 | 2021 Q3 | Face-covering requirementTravel and quarantineOther | Confirmed from a secondary source | |
| Ex. MET-CHI-049 | COVID-19 Public Health Order - Indoor Mask RequirementIndoor Mask Requirement | Public Health Director Theresa Chapple-McGruder, Village of Oak Park | Village of Oak Park, Cook County, IllinoisCity | Aug. 5, 2021 | 2021 Q3 | Face-covering requirementWorkplace rules | Primary source read | |
| Ex. MET-CHI-026 | Public Health Order No. 2021-1Masks Required Indoors in Public Places | Commissioner of Health of the City of Chicago (Allison Arwady, M.D.) | City of Chicago, IllinoisCity | Aug. 20, 2021 | 2021 Q3 | Face-covering requirementWorkplace rules | Primary source read | |
| Ex. MET-CHI-031 | Phase 5 Guidance (updated August 18, 2021)Phase 5 Guidance | Office of the Mayor, City of Chicago (with CDPH) | City of Chicago, IllinoisCity | Aug. 18, 2021 | 2021 Q3 | Face-covering requirementEvents and venuesWorkplace rules | Primary source read | |
| Ex. MET-CHI-056 | COVID-19 Public Health Order - Oak Park Micro Brew Review Special EventOrder - Social Distancing and Related Requirements for the Oak Park Micro Brew Review Special Event | Public Health Director Theresa Chapple-McGruder, Village of Oak Park | Village of Oak Park, Cook County, IllinoisCity | Aug. 18, 2021 | 2021 Q3 | Gathering capFace-covering requirementEvents and venues | Primary source read | |
| Ex. MET-CHI-041 | Order of the Cook County Department of Public Health No. 2021-10COVID-19 Mitigation (masks indoors) | Cook County Department of Public Health | Suburban Cook County, Illinois (CCDPH jurisdiction)County | Aug. 20, 2021 | 2021 Q3 | Face-covering requirementWorkplace rules | Primary source read | |
| Ex. MET-CHI-061 | CDPH 'COVID-19 Orders' page as archived October 17, 2021 (Current Orders list and order summaries)City of Chicago:: COVID-19 Orders (archived Oct. 17, 2021) | Chicago Department of Public Health (official COVID-19 Orders web page) | City of Chicago, IllinoisCity | Oct. 17, 2021 | | Other | Primary source read | |
| Ex. MET-CHI-042 | Order of the Cook County Department of Public Health No. 2021-11COVID-19 Mitigation (proof of vaccination for indoor dining, fitness and entertainment; masks) - POST-PERIOD | Cook County Department of Public Health | Suburban Cook County, Illinois (CCDPH jurisdiction)County | Dec. 23, 2021 | | Face-covering requirementVaccination or testing | Primary source read | |