Table 1.
Demographics of enrolled adults by infection statusa.
| Characteristics | Uninfected | Acutely Infected | Recently Infected |
|---|---|---|---|
| n | 12 | 4 | 3 |
| Age (yr), mean ± SD | 37.5 ± 11.2 | 40.0 ± 17.3 | 46.3 ± 13.4 |
| 18–34, % (n) | 50.0 (6) | 50.0 (2) | 33.3 (1) |
| 35–49, % (n) | 33.3 (4) | 0.0 (0) | 0.0 (0) |
| 50–64, % (n) | 16.7 (2) | 50.0 (2) | 66.7 (2) |
| Female, % (n) | 58.3 (7) | 50.0 (2) | 33.3 (1) |
| Race, % (n) | |||
| White | 41.6 (5) | 75.0 (2) | 33.3 (1) |
| Black | 16.7 (2) | 25.0 (1) | 0.0 (0) |
| Asian | 33.3 (4) | 0.0 (0) | 66.7 (2) |
| Other | 8.3 (1) | 0.0 (0) | 0.0 (0) |
| Ethnicity, % (n) | |||
| Hispanic | 8.3 (1) | 0.0 (0) | 33.3 (1) |
| Non-Hispanic | 91.7 (11) | 100.0 (4) | 66.6 (2) |
| Individuals with self-reported ARIb, n (# ARIs) | 8 (10)c | 2 (3)c | 0 (0) |
a
Infection status was defined by changes in neutralizing antibody titers and includes: uninfected (n = 12), acutely infected (n = 4), and recently infected (n = 3).
b
No individuals had an acute RSV-positive ARI detected by PCR.
c
Some individuals reported multiple ARIs during the study duration. cTwo ARIs in the uninfected group were co-viral infections. ARI, acute respiratory illness.