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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)
  1. a: HIV cases identified by routine surveillance programs; b: HIV cases identified by the first round contact tracing survey; c: One of the newly tested HIV positives was the spouse of an HIV-infected MSM; d: HIV cases identified by the second round contact tracing survey.