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. 2024 Nov 29;6(48):1257–1263. doi: 10.46234/ccdcw2024.252

Table 2. Spatiotemporal distribution of HIV-1 subtypes, CRFs, and URFs across four time periods.

Region/Years HIV-1 CRFs URFs Total
recombinants
HIV-1 subtypes
01_AE 07_BC 08_BC 55_01B Other Total CRFs B Other Total subtypes
Note: The Northeast region comprises HLJ, JL, and LN; North includes NM, BJ, TJ, HE, and SX; East encompasses SH, JS, ZJ, AH, FJ, JX, and SD; South consists of GD, GX, and HI; Central includes HA, HB, and HN; Northwest comprises SN, GS, QH, NX, and XJ; Southwest includes CQ, SC, GZ, YN, and XZ. Data are presented as proportions of total reported HIV infections within each region and time period.
Abbreviation: HIJ=Heilongjiang; JL=Jilin; LN=Liaoning; NM=Neimenggu; BJ=Beijing; TJ=Tianjin; HE=Hebei; SX=Shanxi; SH=Shanghai; JS=Jiangsu; ZJ=Zhejiang; AH=Anhui; FJ=Fujian; JX=Jiangxi; SD=Shandong; GD=Guangdong; GX=Guangxi; HI=Hainan; HA=Henan; HB=hubei; HE=Hunan; SN=Shannxi; GS=Gansu; QH=Qinghai; NX=Ningxia; XJ=Xinjiang; CQ=Chongqing; SC=Sichuan; GZ=Guizhou; YN=Yunnan; XZ=Xizang.
China
2004–2009 (%) 31.0 24.8 10.0 0.6 5.0 71.4 1.7 73.1 24.7 2.2 26.9
2010–2014 (%) 41.1 35.9 6.0 2.1 5.6 90.7 0.9 91.6 7.2 1.3 8.4
2015–2019 (%) 31.4 46.1 8.4 3.0 4.4 93.4 0.9 94.3 5.0 0.7 5.7
2020–2023 (%) 27.6 42.2 11.9 3.2 9.0 94.0 1.8 95.9 3.5 0.6 4.1
Central
2004–2009 (%) 12.8 1.8 0.3 0.1 0.4 15.4 0.1 15.5 84.3 0.2 84.5
2010–2014 (%) 44.1 20.8 1.9 4.4 3.1 74.4 0.2 74.6 25.1 0.3 25.4
2015–2019 (%) 37.1 30.0 4.4 5.7 3.2 80.3 1.1 81.4 18.1 0.5 18.6
2020–2023 (%) 30.1 37.7 5.9 3.7 8.3 85.8 1.8 87.5 11.3 1.2 12.5
East
2004–2009 (%) 38.5 16.5 3.4 0.0 2.6 61.0 0.2 61.2 36.8 2.0 38.8
2010–2014 (%) 56.0 25.7 1.7 1.4 5.6 90.2 0.2 90.4 7.1 2.4 9.6
2015–2019 (%) 40.1 35.0 5.1 3.6 6.4 90.2 1.1 91.3 7.9 0.8 8.7
2020–2023 (%) 30.4 40.1 6.3 2.8 11.8 91.5 2.8 94.3 4.4 1.3 5.7
North
2004–2009 (%) 35.1 9.1 1.6 0.6 0.8 47.2 0.1 47.3 52.3 0.4 52.7
2010–2014 (%) 52.1 21.7 1.1 1.1 4.4 80.3 0.3 80.6 18.7 0.7 19.4
2015–2019 (%) 52.3 29.7 0.9 2.4 6.2 91.4 0.8 92.2 7.5 0.3 7.8
2020–2023 (%) 37.3 38.7 1.0 2.2 13.1 92.3 2.7 95.0 4.9 0.0 5.0
Northeast
2004–2009 (%) 36.4 2.1 5.3 0.3 8.2 52.2 0.0 52.2 47.2 0.6 47.8
2010–2014 (%) 71.6 9.3 0.0 0.8 5.9 87.6 0.9 88.5 9.4 2.1 11.5
2015–2019 (%) 71.5 16.9 0.5 0.8 4.1 93.8 0.3 94.1 5.5 0.4 5.9
2020–2023 (%) 48.4 29.7 0.8 1.5 10.3 90.8 2.7 93.4 5.6 1.0 6.6
Northwest
2004–2009 (%) 0.9 93.6 0.1 0.0 0.0 94.6 0.0 94.6 5.3 0.0 5.4
2010–2014 (%) 16.1 77.9 0.1 0.4 1.0 95.5 0.3 95.8 4.2 0.0 4.2
2015–2019 (%) 15.0 74.5 0.7 2.1 3.4 95.6 0.6 96.3 3.4 0.3 3.7
2020–2023 (%) 10.8 67.6 1.9 1.6 11.7 93.6 3.7 97.3 2.0 0.7 2.7
South
2004–2009 (%) 69.2 13.5 6.3 2.3 2.6 93.9 0.3 94.2 4.7 1.1 5.8
2010–2014 (%) 62.3 20.6 7.7 4.6 1.9 97.1 0.2 97.3 2.4 0.2 2.7
2015–2019 (%) 54.6 24.2 8.2 7.7 2.8 97.5 0.4 97.9 1.9 0.2 2.1
2020–2023 (%) 39.1 26.3 13.7 9.9 6.8 95.8 2.2 98.1 1.7 0.3 1.9
Southwest
2004–2009 (%) 21.0 29.0 22.5 0.0 10.9 83.4 4.5 87.9 7.4 4.7 12.1
2010–2014 (%) 21.9 50.8 10.5 0.8 9.6 93.7 1.9 95.6 2.5 1.9 4.4
2015–2019 (%) 13.7 63.4 14.1 0.9 4.6 96.7 1.1 97.9 1.0 1.1 2.1
2020–2023 (%) 20.2 48.9 19.5 0.9 7.9 97.4 0.8 98.2 1.3 0.4 1.8