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. 2021 Feb 14;57:46–53. doi: 10.1016/j.annepidem.2021.02.006

Table A.1.

Statewide closure, reopening, and mask mandate effective dates — United States, March 19–September 30, 2020.

State Date of Statewide Closure* Date of Statewide Reopening Number of days between statewide closure and statewide reopening Date of Statewide Mask Mandate
Alabama 3/28/2020 4/30/2020 33 7/16/2020
Alaska 3/28/2020 4/24/2020 27 NA
Arizona 3/31/2020 5/16/2020 46 NA
Arkansas NA NA 0 7/20/2020
California 3/19/2020 7/13/2020 116 6/18/2020§
Colorado 3/26/2020 4/27/2020 32 7/16/2020
Connecticut 3/22/2020 5/20/2020 59 4/20/2020§
Delaware 3/24/2020 5/22/2020 59 4/28/2020§
District of Columbia 3/25/2020 5/29/2020 65 5/16/2020§
Florida 4/3/2020 5/4/2020 31 NA
Georgia 4/3/2020 4/30/2020 27 NA
Hawaii 3/25/2020 6/10/2020 77 4/17/2020§
Idaho 3/25/2020 5/1/2020 37 NA
Illinois 3/21/2020 5/29/2020 69 5/1/2020§
Indiana 3/24/2020 5/18/2020 55 7/27/2020
Iowa 3/26/2020 5/15/2020 50 NA
Kansas 3/30/2020 5/4/2020 35 7/3/2020
Kentucky 3/23/2020 5/22/2020 60 7/10/2020
Louisiana 3/23/2020 5/15/2020 53 7/13/2020
Maine 3/25/2020 5/31/2020 67 5/1/2020§
Maryland 3/23/2020 5/13/2020 51 4/18/2020§
Massachusetts 3/24/2020 6/8/2020 76 5/6/2020§
Michigan 3/24/2020 6/1/2020 69 4/26/2020§
Minnesota 3/27/2020 5/17/2020 51 7/24/2020
Mississippi 3/31/2020 4/27/2020 27 8/5/2020
Missouri 4/6/2020 5/4/2020 28 NA
Montana 3/28/2020 4/26/2020 29 7/15/2020
Nebraska NA NA 0 NA
Nevada 3/20/2020 5/9/2020 50 6/24/2020
New Hampshire 3/27/2020 6/16/2020 81 NA
New Jersey 3/21/2020 6/9/2020 80 4/10/2020§
New Mexico 3/24/2020 6/1/2020 69 6/1/2020§
New York 3/19/2020 6/6/2020 79 4/17/2020§
North Carolina 3/30/2020 5/22/2020 53 6/26/2020
North Dakota NA NA 0 NA
Ohio 3/23/2020 5/15/2020 53 7/23/2020
Oklahoma 3/25/2020 5/1/2020 37 NA
Oregon 3/23/2020 6/19/2020 88 7/1/2020
Pennsylvania 3/19/2020 6/5/2020 78 4/19/2020§
Rhode Island 3/28/2020 5/9/2020 42 5/8/2020§
South Carolina 4/7/2020 5/4/2020 27 NA
South Dakota NA NA 0 NA
Tennessee 3/31/2020 4/29/2020 29 NA
Texas 4/2/2020 5/1/2020 29 7/3/2020
Utah NA NA 0 NA
Vermont 3/24/2020 5/15/2020 52 8/1/2020
Virginia 3/30/2020 5/29/2020 60 5/29/2020§
Washington 3/23/2020 7/3/2020 102 6/26/2020§
West Virginia 3/24/2020 5/4/2020 41 7/7/2020
Wisconsin 3/25/2020 5/13/2020 49 8/1/2020
Wyoming NA NA 0 NA

Abbreviation: NA = No applicable statewide closure or mask mandate during the study period

The date of the statewide closure was the earlier of either 1) the date persons were required to stay home or 2) the date both restaurants were required to cease any on-premises dining and nonessential retail businesses were ordered to close.

The date of the statewide reopening was the earlier of either 1) the date the stay-at-home order was lifted or 2) the date both restaurants were allowed to resume any on-premises consumption and nonessential retail businesses were permitted to reopen.

The start date of statewide public mask mandate was defined as the date that persons operating in a personal capacity were required to wear masks 1) anywhere outside the home or 2) both in retail businesses and in restaurants/food establishments.

§

Indicates a statewide mask mandate that was implemented on or before the statewide reopening.