| Ex. NE-094 | DHHS COVID-19 Weekly Update, May 19, 2021DHHS COVID-19 Weekly Update (green phase; DHMs to May 31, 2021) | Nebraska DHHS | NebraskaState | May 19, 2021 | 2021 Q2 | Gathering capSchools and child careEvents and venuesQuarantine and isolation | Primary source read | |
| Ex. NE-108 | KLKN, 'BREAKING: Mask mandate lifted, Risk Dial in the green' (May 18, 2021)Lincoln-Lancaster County mask mandate lifted (effective May 21, 2021) | KLKN-TV report of the Lincoln-Lancaster County Health Department announcement | Lancaster CountyCounty | May 18, 2021 | 2021 Q2 | Face-covering requirement | Confirmed from a secondary source | |
| Ex. NE-065 | Executive Order 21-05Coronavirus - Return to Work | Governor Pete Ricketts | Nebraska (State agencies)State | May 24, 2021 | 2021 Q22021 Q3 | Telework mandateFace-covering requirement | Primary source read | |
| Ex. NE-032 | Assisted-Living Facility Masking Guidance (July 14, 2021)DHHS Guidance on Masking for Assisted-Living Facilities | Nebraska DHHS | NebraskaSector regulator | July 14, 2021 | 2021 Q3 | Face-covering requirementHealth care orders | Primary source read | |
| Ex. NE-109 | Lincoln Public Schools face-covering requirement for the 2021-22 school year (KLKN report, Aug. 5, 2021)LPS to require masks for some students | Lincoln Public Schools (Superintendent Steve Joel), following Lincoln-Lancaster County Health Department guidance | Lincoln Public Schools (Lancaster County)County | Aug. 5, 2021 | 2021 Q3 | Face-covering requirementSchools and child careQuarantine and isolation | Confirmed from a secondary source | |
| Ex. NE-080 | KLKN, 'BREAKING: Mask mandate to start Thursday in Lancaster County' (Aug. 24, 2021)Mask mandate to start Thursday in Lancaster County | KLKN-TV (Lincoln) report of the Lincoln-Lancaster County Health Department announcement | Lancaster CountyCounty | Aug. 24, 2021 | 2021 Q3 | Face-covering requirement | Confirmed from a secondary source | |
| Ex. NE-089 | Lincoln-Lancaster County Directed Health Measure of August 2021 (indoor face coverings)Lancaster County indoor mask directed health measure, Aug. 26 - Dec. 23, 2021 | Lincoln-Lancaster County Health Department, Health Director Pat Lopez, with Mayor Leirion Gaylor Baird | City of Lincoln and Lancaster CountyCounty | Aug. 24, 2021 | 2021 Q3 | Face-covering requirementSchools and child careWorkplace rules | Confirmed from a secondary source | |
| Ex. NE-081 | KLKN, 'Mask mandate extended in Lancaster County, risk dial moves to low orange' (Sept. 28, 2021)Mask mandate extended in Lancaster County (to Oct. 28, 2021) | KLKN-TV report | Lancaster CountyCounty | Sept. 28, 2021 | 2021 Q3 | Face-covering requirement | Confirmed from a secondary source | |
| Ex. NE-106 | KLKN, 'Mask Mandate extended in Lancaster County' (Oct. 26, 2021)Mask mandate extended in Lancaster County (October 2021 extension) | KLKN-TV report | Lancaster CountyCounty | Oct. 26, 2021 | | Face-covering requirement | Confirmed from a secondary source | |
| Ex. NE-107 | KLKN, 'Mask mandate extended in Lancaster County' (Nov. 23, 2021)Mask mandate extended in Lancaster County (to Dec. 23, 2021) | KLKN-TV report | Lancaster CountyCounty | Nov. 23, 2021 | | Face-covering requirement | Confirmed from a secondary source | |
| Ex. NE-082 | KLKN, 'Lancaster County mask mandate set to expire on December 23rd' (Dec. 21, 2021)Lancaster County mask mandate set to expire on December 23rd | KLKN-TV report | Lancaster CountyCounty | Dec. 21, 2021 | | Face-covering requirement | Confirmed from a secondary source | |