TABLE. Number of SARS-CoV-2 cases among persons aged ≥16 years, by selected characteristics and vaccination status* — Los Angeles County, California,† May 1–July 25, 2021.
| Characteristic | Vaccination status, no. (%) |
p-value | |||
|---|---|---|---|---|---|
| Total | Fully vaccinated | Partially vaccinated | Unvaccinated | ||
|
Total no. of cases
|
43,127
|
10,895
|
1,431
|
30,801
|
— |
|
Vaccine manufacturer
| |||||
| Janssen (Johnson & Johnson) |
—
|
1,830 (16.8) |
— |
— |
— |
| Moderna |
—
|
3,047 (28.0) |
— |
— |
— |
| Pfizer-BioNTech |
—
|
6,018 (55.2) |
— |
— |
— |
|
Median interval between final vaccine dose and infection, no. of days (IQR)
|
—
|
98 (74–120) |
— |
— |
— |
|
Median age, yrs (IQR)
|
34 (26–46)
|
37 (28–52) |
35 (27–51) |
32 (26–44) |
<0.001 |
|
Age group, yrs
| |||||
| 16–17 |
1,120 (2.6)
|
107 (1.0) |
34 (2.4) |
979 (3.2) |
<0.001 |
| 18–29 |
14,758 (34.2)
|
3,017 (27.7) |
432 (30.2) |
11,309 (36.7) |
|
| 30–49 |
18,106 (42.0)
|
4,649 (42.7) |
582 (40.7) |
12,875 (41.8) |
|
| 50–64 |
6,418 (14.9)
|
2,025 (18.6) |
255 (17.8) |
4,138 (13.4) |
|
| 65–79 |
2,101 (4.9)
|
857 (7.9) |
95 (6.6) |
1,149 (3.7) |
|
| ≥80 |
624 (1.4)
|
240 (2.2) |
33 (2.3) |
351 (1.1) |
|
|
Sex
| |||||
| Female |
21,743 (50.4)
|
5,514 (50.6) |
757 (52.9) |
15,472 (50.2) |
<0.001 |
| Male |
20,425 (47.4)
|
5,249 (48.2) |
659 (46.1) |
14,517 (47.1) |
|
| Other or unknown |
959 (2.2)
|
132 (1.2) |
15 (1.0) |
812 (2.6) |
|
|
Race/Ethnicity
| |||||
| American Indian or Alaska Native |
70 (0.2)
|
17 (0.2) |
2 (0.1) |
51 (0.2) |
<0.001 |
| Asian |
1,970 (4.6)
|
905 (8.3) |
104 (7.3) |
961 (3.1) |
|
| Black or African American |
5,574 (12.9)
|
681 (6.3) |
138 (9.6) |
4,755 (15.4) |
|
| Hispanic or Latino |
14,144 (32.8)
|
3,450 (31.7) |
511 (35.7) |
10,183 (33.1) |
|
| Multiple race |
823 (1.9)
|
272 (2.5) |
32 (2.2) |
519 (1.7) |
|
| Native Hawaiian or Other Pacific Islander |
210 (0.5)
|
41 (0.4) |
8 (0.6) |
161 (0.5) |
|
| Other |
3,998 (9.3)
|
778 (7.1) |
112 (7.8) |
3,108 (10.1) |
|
| White |
9,338 (21.7)
|
3,397 (31.2) |
321 (22.4) |
5,620 (18.2) |
|
| Missing |
7,000 (16.2)
|
1,354 (12.4) |
203 (14.2) |
5,443 (17.7) |
|
|
Hospitalized
|
2,794 (6.5)
|
350 (3.2) |
89 (6.2) |
2,355 (7.6) |
<0.001 |
|
Admitted to ICU
|
536 (1.2)
|
55 (0.5) |
15 (1.0) |
466 (1.5) |
<0.001 |
|
Required mechanical ventilation
|
189 (0.4)
|
19 (0.2) |
5 (0.3) |
165 (0.5) |
<0.001 |
|
Admitted to hospital after positive SARS-CoV-2 test date
|
1,454 (3.4)
|
136 (1.2) |
29 (2.0) |
1,289 (4.2) |
<0.001 |
| Died | 207 (0.5) | 24 (0.2) | 7 (0.5) | 176 (0.6) | <0.001 |
Abbreviations: ICU = intensive care unit; IQR = interquartile range.
* Persons were considered fully vaccinated ≥14 days after receipt of the second dose in a 2-dose series (Pfizer-BioNTech or Moderna COVID-19 vaccines) or after 1 dose of the single-dose Janssen (Johnson & Johnson) COVID-19 vaccine; partially vaccinated ≥14 days after receipt of the first dose and <14 days after the second dose in a 2-dose series; and unvaccinated <14 days receipt of the first dose of a 2-dose series or 1 dose of the single-dose vaccine or if no vaccination registry data were available.
† Among residents of Los Angeles County; excludes Pasadena and Long Beach.