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. 2021 Mar 19;70(11):389–395. doi: 10.15585/mmwr.mm7011e2

TABLE 2. Second-dose completion status and interval between first and second dose among persons who initiated the COVID-19 vaccination series, by jurisdiction and demographic characteristics — United States, December 14, 2020–February 14, 2021*.

Jurisdiction and demographic characteristic Completion status among persons with sufficient time to receive second dose (%)
Dosing interval among persons who received second dose (%)
No. Completed series No second dose but remained within allowable interval§ Missed second dose No. Early** During recommended interval†† After recommended interval but within allowable interval§§ Late¶¶
Total, no. (%)
12,496,258
10,999,097 (88.0)
1,078,336 (8.6)
418,825 (3.4)
14,205,768
216,905 (1.5)
13,582,544 (95.6)
392,935 (2.8)
13,384 (0.1)
State/Area
Alabama
129,629
(87.3)
(9.9)
(2.8)
150,202
(2.1)
(95.7)
(2.1)
(0.1)
Alaska
57,293
(90.5)
(6.9)
(2.6)
68,344
(0.9)
(97.9)
(1.2)
(0.0)
Arizona
274,548
(85.4)
(11.6)
(2.9)
300,844
(3.2)
(90.8)
(5.9)
(0.1)
Arkansas
147,459
(82.8)
(12.4)
(4.7)
148,477
(1.4)
(96.6)
(2.0)
(0.1)
California
1,269,213
(87.2)
(9.0)
(3.8)
1,538,150
(1.2)
(96.4)
(2.3)
(0.1)
Colorado
280,523
(94.2)
(4.1)
(1.7)
328,338
(0.9)
(97.4)
(1.6)
(0.1)
Connecticut
234,761
(82.9)
(14.5)
(2.6)
256,784
(7.5)
(86.4)
(5.3)
(0.8)
Delaware
35,454
(87.6)
(9.9)
(2.5)
37,387
(1.0)
(92.1)
(6.8)
(0.1)
District of Columbia
45,206
(85.6)
(10.4)
(4.0)
46,137
(1.3)
(96.4)
(2.2)
(0.0)
Florida
1,094,586
(87.8)
(9.1)
(3.1)
1,218,397
(2.0)
(95.4)
(2.6)
(0.1)
Georgia
362,414
(88.9)
(8.4)
(2.7)
443,669
(1.8)
(94.9)
(3.2)
(0.1)
Hawaii
19,023
(88.9)
(6.8)
(4.3)
20,147
(0.8)
(93.3)
(5.8)
(0.1)
Idaho
54,880
(93.1)
(4.9)
(2.0)
70,856
(1.4)
(97.2)
(1.3)
(0.1)
Illinois
419,419
(85.5)
(9.4)
(5.0)
449,475
(1.1)
(97.2)
(1.7)
(0.1)
Indiana
275,381
(90.3)
(8.7)
(1.0)
312,681
(1.0)
(96.8)
(2.1)
(0.1)
Iowa
138,418
(81.8)
(16.2)
(2.0)
129,403
(0.5)
(93.5)
(5.8)
(0.2)
Kansas
116,535
(87.0)
(7.6)
(5.4)
122,686
(2.0)
(94.6)
(3.4)
(0.1)
Kentucky
199,398
(84.0)
(10.2)
(5.8)
210,892
(0.6)
(96.1)
(3.3)
(0.1)
Louisiana
234,624
(94.4)
(4.7)
(0.9)
274,481
(0.9)
(98.3)
(0.8)
(0.0)
Maine
62,633
(89.2)
(5.8)
(4.9)
68,479
(0.3)
(98.2)
(1.3)
(0.1)
Maryland
231,172
(91.4)
(6.9)
(1.7)
266,356
(0.8)
(94.2)
(4.9)
(0.1)
Massachusetts
294,106
(82.1)
(11.4)
(6.6)
305,083
(1.3)
(96.6)
(2.0)
(0.1)
Michigan
447,555
(95.4)
(3.4)
(1.2)
538,614
(0.6)
(97.3)
(2.1)
(0.1)
Minnesota
217,567
(90.5)
(6.3)
(3.2)
255,434
(2.1)
(95.4)
(2.5)
(0.0)
Mississippi
103,965
(89.8)
(8.8)
(1.3)
128,671
(1.1)
(95.9)
(3.0)
(0.1)
Missouri
216,227
(93.0)
(4.5)
(2.5)
265,192
(0.6)
(96.9)
(2.4)
(0.1)
Montana
50,572
(90.9)
(5.4)
(3.6)
57,032
(1.4)
(95.4)
(3.1)
(0.2)
Nebraska
94,464
(90.3)
(5.4)
(4.3)
102,101
(0.7)
(96.5)
(2.7)
(0.1)
Nevada
95,396
(91.7)
(5.7)
(2.6)
125,342
(1.0)
(96.7)
(2.2)
(0.1)
New Hampshire
84,323
(93.5)
(4.2)
(2.3)
95,776
(8.7)
(82.3)
(8.3)
(0.7)
New Jersey
324,161
(87.7)
(9.1)
(3.1)
388,744
(0.6)
(97.5)
(1.9)
(0.0)
New Mexico
142,008
(87.4)
(8.5)
(4.1)
163,459
(1.4)
(96.0)
(2.5)
(0.1)
New York
823,922
(87.2)
(8.6)
(4.2)
968,811
(1.0)
(96.9)
(2.1)
(0.1)
North Carolina
419,220
(91.0)
(5.7)
(3.3)
534,863
(0.7)
(96.4)
(2.8)
(0.1)
North Dakota
47,682
(93.3)
(4.2)
(2.5)
53,008
(3.1)
(94.1)
(2.7)
(0.1)
Ohio
436,574
(89.6)
(7.7)
(2.7)
515,733
(1.4)
(95.0)
(3.5)
(0.1)
Oklahoma
231,600
(87.7)
(9.6)
(2.7)
240,072
(0.6)
(96.8)
(2.6)
(0.1)
Oregon
189,028
(92.9)
(5.5)
(1.6)
213,812
(0.6)
(96.7)
(2.6)
(0.1)
Pennsylvania
479,037
(87.6)
(9.2)
(3.2)
522,255
(1.6)
(96.0)
(2.4)
(0.1)
Rhode Island
47,308
(93.8)
(4.3)
(2.0)
53,769
(0.8)
(95.9)
(3.2)
(0.1)
South Carolina
181,871
(80.6)
(16.9)
(2.5)
197,410
(3.2)
(94.5)
(2.3)
(0.0)
South Dakota
58,551
(89.7)
(6.7)
(3.5)
62,266
(0.3)
(96.6)
(3.0)
(0.1)
Tennessee
311,579
(91.9)
(4.9)
(3.2)
329,446
(1.6)
(95.5)
(2.8)
(0.1)
Utah
147,885
(75.3)
(20.7)
(4.0)
126,507
(2.1)
(90.5)
(7.2)
(0.1)
Vermont
36,563
(91.9)
(5.3)
(2.8)
38,759
(1.2)
(97.6)
(1.2)
(0.0)
Virginia
345,645
(82.6)
(9.6)
(7.8)
386,384
(0.8)
(96.3)
(2.8)
(0.1)
Washington
285,288
(87.5)
(9.4)
(3.2)
321,080
(1.7)
(95.4)
(2.8)
(0.1)
West Virginia
167,867
(95.8)
(2.5)
(1.7)
201,504
(6.6)
(85.5)
(7.4)
(0.4)
Wisconsin
216,685
(93.5)
(5.2)
(1.3)
260,163
(0.6)
(96.5)
(2.9)
(0.0)
Wyoming
27,746
(88.2)
(9.5)
(2.3)
31,486
(1.4)
(95.8)
(2.8)
(0.1)
Territories and freely associated states
American Samoa
3,509
(95.9)
(2.9)
(1.3)
6,047
(0.2)
(99.4)
(0.4)
(0.0)
Federated States of Micronesia
577
(85.1)
(14.9)
(0.0)
895
(1.0)
(79.0)
(20.0)
(0.0)
Guam
10,447
(87.0)
(8.3)
(4.7)
12,557
(0.5)
(98.9)
(0.6)
(0.0)
Marshall Islands
707
(76.8)
(14.1)
(9.1)
725
(0.4)
(98.3)
(1.2)
(0.0)
Northern Mariana Islands
4,408
(98.7)
(0.6)
(0.7)
5,266
(0.1)
(99.7)
(0.2)
(0.1)
Palau
726
(99.7)
(0.3)
(0.0)
1,566
(0.1)
(99.9)
(0.1)
(0.0)
Puerto Rico
138,612
(79.0)
(15.1)
(5.9)
128,887
(1.0)
(98.5)
(0.5)
(0.0)
U.S. Virgin Islands
4,107
(85.1)
(9.2)
(5.6)
4,211
(1.9)
(94.8)
(3.1)
(0.1)
Demographic characteristics
Race/Ethnicity***
6,764,604



8,002,280




      AI/AN, non-Hispanic
145,449
(83.7)
(11.2)
(5.1)
148,823
(1.5)
(96.0)
(2.4)
(0.1)
      Asian, non-Hispanic
365,379
(90.2)
(7.0)
(2.8)
428,595
(1.2)
(95.9)
(2.8)
(0.1)
      Black, non-Hispanic
366,442
(88.8)
(8.6)
(2.6)
436,647
(1.8)
(95.1)
(3.1)
(0.1)
      Hispanic
718,384
(87.0)
(9.5)
(3.5)
812,235
(1.4)
(95.8)
(2.8)
(0.1)
      Multiple/Other, non-Hispanic
1,013,031
(86.1)
(10.7)
(3.2)
1,152,231
(1.4)
(96.5)
(2.0)
(0.1)
      NHPI, non-Hispanic
17,755
(90.3)
(6.8)
(2.9)
20,042
(1.0)
(96.1)
(2.7)
(0.1)
      White, non-Hispanic
4,138,164
(90.3)
(7.4)
(2.3)
5,003,707
(1.7)
(95.0)
(3.1)
(0.1)
Age group, yrs
12,489,174



14,202,212




      16–44
4,507,276
(88.1)
(7.9)
(4.0)
4,653,564
(1.3)
(95.0)
(3.6)
(0.1)
      45–64
4,211,791
(88.7)
(7.7)
(3.6)
4,453,503
(1.4)
(95.5)
(3.0)
(0.1)
      ≥65
3,770,107
(87.2)
(10.5)
(2.3)
5,095,145
(1.9)
(96.3)
(1.8)
(0.0)
Sex
12,128,929



13,866,864




  Female
7,675,229
(88.4)
(8.4)
(3.2)
8,630,313
(1.5)
(95.6)
(2.8)
(0.1)
  Male 4,453,700 (87.8) (8.9) (3.2) 5,236,551 (1.6) (95.6) (2.7) (0.1)

Abbreviations: AI/AN = American Indian/Alaska Native; NHPI = Native Hawaiian or other Pacific Islander.

* Vaccines administered during December 14, 2020–February 14, 2021, and reported to CDC by February 20, 2021.

Among persons who received their first dose on or before January 19 for Pfizer-BioNTech (>25 days between the first dose and February 14) or January 12 for Moderna (>32 days between the first dose and February 14).

§ 26–42 days (Pfizer-BioNTech) or 33–42 days (Moderna) after first dose; no second dose received.

>42 days after first dose; no second dose received.

** Received second dose <17 days (Pfizer-BioNTech) or <24 days (Moderna) after first dose.

†† Received second dose 17–25 days (Pfizer-BioNTech) or 24–32 days (Moderna) after first dose.

§§ Received second dose 26–42 days (Pfizer-BioNTech) or 33–42 days (Moderna) after first dose.

¶¶ Received second dose >42 days after first dose.

*** Percentages were calculated among persons with available demographic characteristics.