TABLE 2.
Cumulative Estimates of SARS-CoV-2 Infections Based on Seroprevalence, and Cumulative Incidence of MIS-C and Acute COVID-19 Hospitalizations per 100,000 SARS-CoV-2 Infections Among Children and Adolescents Aged <18 years in Jackson, Mississippi, and Surrounding Counties, Mississippi, August 2020–February 2021
| + | Black, Non-Hispanic | White, Non-Hispanic | ||||
|---|---|---|---|---|---|---|
| Estimated SARS-CoV-2 Infections* | MIS-C Cases | Acute COVID-19 Hospitalizations | Estimated SARS-CoV-2 Infections* | MIS-C Cases | Acute COVID-19 Hospitalizations | |
| Month | No. | No. (Rate† per 100,000 Infections) | No. (Rate per 100,000 Infections) | No. | No. (Rate† per 100,000 Infections) | No. (Rate per 100,000 Infections) |
| Mar 2020 | ND | 0 (ND) | 0 (ND) | ND | 0 | 0 (ND) |
| Apr 2020 | ND | 1 (ND) | 3 (ND) | ND | 0 | 1 (ND) |
| May 2020 | 5138 | 1 (38.9) | 5 (155.7) | 0 | 0 | 1 (.) |
| Jun 2020 | 10,031 | 1 (29.9) | 5 (129.6) | 1830 | 0 | 0 (109.3) |
| Jul 2020 | 16,393 | 1 (24.4) | 7 (122.0) | 4053 | 0 | 1 (74.0) |
| Aug 2020 | 21,653 | 2 (27.7) | 3 (106.2) | 14,120 | 0 | 1 (28.3) |
| Sep 2020 | 23,978 | 5 (45.9) | 1 (100.1) | 18,957 | 0 | 1 (26.4) |
| Oct 2020 | 32,786 | 0 (33.6) | 2 (79.3) | 19,872 | 0 | 0 (25.2) |
| Nov 2020 | 33,397 | 0 (32.9) | 6 (95.8) | 27,717 | 0 | 4 (32.5) |
| Dec 2020 | 44,285 | 4 (33.9) | 7 (88.1) | 39,483 | 1 (2.5) | 2 (27.9) |
| Jan 2021 | 47,711 | 9 (50.3) | 6 (94.3) | 54,257 | 2 (5.5) | 5 (29.5) |
| Feb 2021 | 78,661 | 8 (40.7) | 4 (62.3) | 48,374 | 1 (8.3) | 0 (33.1) |
ND indicates not determined; MIS-C, multisystem inflammatory syndrome in children.
Estimated number of persons younger than 18 years previously infected with SARS-CoV-2 based on race-specific seroprevalence among convenience samples of residual pediatric sera collected for routine clinical testing at University of Mississippi Medical Center, multiplied by the non-Hispanic White (N = 122,335) and non-Hispanic Black (N = 130,740) population <18 years old in Jackson, Mississippi, and 16 surrounding counties.
Cumulative rate of MIS-C cases or acute COVID-19 hospitalizations per 100,000 SARS-CoV-2 infected persons younger than 18 years in Jackson, Mississippi, and surrounding counties, by race.