From: Population seroprevalence of antibody to influenza A(H7N9) virus, Guangzhou, China
Characteristic | Phase 1 (December 2013 through April 2014) (n = 2660) | Phase 2 (October 2014 through December 2014) (n = 2680) |
---|---|---|
Age group, years | ||
0–14 | 185 (7.0 %) | 140 (5.2 %) |
15–24 | 415 (15.6 %) | 445 (16.6 %) |
25–54 | 1137 (42.7 %) | 1166 (43.5 %) |
55–64 | 340 (12.8 %) | 397 (14.8 %) |
≥ 65 | 583 (21.9 %) | 532 (19.9 %) |
Sex | ||
Male | 1336 (50.2 %) | 1240 (46.3 %) |
Female | 1324 (49.8 %) | 1440 (53.7 %) |