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Characteristics of study participants
| Characteristic | Cohort 1 (n = 10) | Cohort 2 (n = 10) | P‐value | ||
|---|---|---|---|---|---|
| n | n | ||||
| Female (%) | 7 | 70 | 2 | 20 | .03 |
| Age category (%) | |||||
| 21‐29 y | 4 | 40 | 4 | 40 | .80 |
| 30‐39 y | 1 | 10 | 2 | 20 | |
| 40‐49 y | 5 | 50 | 4 | 40 | |
| Mean age (mean [SD]) y | 38.1 (9.4) | 35.8 (10.1) | .60 | ||
| Ethnicity (%) | |||||
| Black | 10 | 100 | 8 | 80 | .14 |
| White | 0 | 0 | 2 | 20 | |
| Hx of Flu (%) | 0 | 0 | 1 | 10 | .31 |
| Flu vaccination in past 10 y (%) | 5 | 50 | 3 | 30 | .36 |
