Table 1.
Characteristics of influenza cases, Brazos County, Texas, December 2017 (N = 1651).
| Total (N = 1651) |
Vaccinated (N = 180) |
Unvaccinated (N = 404) |
Hospitalized (N = 338) |
|
|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | |
| Sex | ||||
| Male | 752 (45.55) | 88 (48.89) | 164 (40.59) | 160 (47.34) |
| Female | 899 (54.45) | 92 (51.11) | 240 (59.41) | 178 (52.66) |
| Age group | ||||
| 0-4 | 305 (18.47) | 52 (28.89) | 62 (15.34) | 80 (23.67) |
| 5-17 | 589 (35.68) | 55 (30.55) | 133 (32.92) | 74 (21.89) |
| 18-49 | 465 (28.16) | 32 (17.78) | 149 (36.88) | 88 (26.04) |
| 50-64 | 155 (9.39) | 16 (8.89) | 38 (9.41) | 39 (11.54) |
| 65 or older | 137 (8.30) | 25 (13.89) | 22 (5.45) | 57 (16.86) |
| Race/ethnicity | ||||
| African-American | 337 (20.41) | 25 (13.89) | 77 (19.06) | 66 (19.53) |
| White | 562 (34.04) | 89 (49.44) | 196 (48.51) | 114 (33.73) |
| Hispanic | 521 (31.56) | 42 (23.33) | 97 (24.01) | 144 (42.60) |
| Other | 53 (3.21) | 24 (13.33) | 34 (8.42) | 14 (4.14) |
| Missing | 178 (10.78) | – | – | – |
| Influenza strain | ||||
| A | 1327 (80.38) | 160 (88.89) | 374 (92.57) | 316 (93.49) |
| B | 123 (7.45) | 15 (8.33) | 25 (6.19) | 20 (5.92) |
| Not known | 201 (12.17) | 5 (2.78) | 5 (1.24) | 2 (0.59) |
| Vaccination status | ||||
| Yes | 180 (10.90) | – | – | 62 (18.34) |
| No | 404 (24.47) | – | – | 127 (37.58) |
| Unknown | 1067 (64.63) | – | – | 149 (44.08) |
| Received Tamiflu | ||||
| Yes | 477 (28.89) | 112 (62.22) | 231 (57.18) | 191 (56.51) |
| No | 367 (22.23) | 64 (35.56) | 163 (40.35) | 131 (38.76) |
| Unknown | 807 (48.88) | 4 (2.22) | 10 (2.47) | 16 (4.73) |
| Hospitalized | ||||
| Yes | 338 (20.47) | 62 (34.44) | 127 (31.44) | – |
| No | 532 (32.22) | 118 (65.56) | 277 (68.56) | – |
| Unknown | 781 (47.30) | – | – | – |