Table 1 HIV testing and infection among sexual contacts of index HIV cases in Taizhou prefecture, Eastern China, 2008-2010
From: Tracing sexual contacts of HIV-infected individuals in a rural prefecture, Eastern China
The process of tracing contacts | First round | Second round | Third round | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Heterosexually infected | Homosexually infected | Total | Heterosexually infected | Homosexually infected | Total | Heterosexually infected | Homosexually infected | Total | Heterosexually infected | Homosexually infected | Total | |
HIV cases identified by routine surveillance programs or last round contact tracing survey | 278 a | 60 a | 338 a | 63 b | 48 b | 111 b | 11d | 3 d | 14 d | 352 | 111 | 463 |
Number and proportion (%) of reported HIV cases participating in contact tracing survey as ‘index cases’ | 241 (86.7) | 49 (81.7) | 290 (85.8) | 49 (77.8) | 48 (100.0) | 97(87.4) | 8 (72.7) | 3 (100.0) | 11 (78.6) | 298 (84.6) | 100 (90.1) | 398(86.0) |
Number of sexual contacts reported by ‘index cases’ | 809 | 239 | 1048 | 92 | 229 | 321 | 20 | 14 | 34 | 921 | 482 | 1403 |
Number and proportion (%) of sexual contacts receiving HIV testing | 182 (22.5) | 102 (42.7) | 284 (27.1) | 20 (21.7) | 13 (5.7) | 33 (10.3) | 3 (15.0) | 0 (0.0) | 3 (8.8) | 205 (22.3) | 115 (23.9) | 320 (22.8) |
Number and proportion (%) of sexual contacts newly tested HIV positive | 62b (34.1) | 49b,c (48.0) | 111b (39.1) | 11d (55.0) | 3d (23.1) | 14d (42.4) | 0 | 0 | 0 | 73 (35.6) | 52 (45.2) | 125 (39.1) |