Table 1 HIV-1 genotype distribution among MSM in China based on pol gene phylogenies.

From: A Large-scale Survey of CRF55_01B from Men-Who-Have-Sex-with-Men in China: implying the Evolutionary History and Public Health Impact

Study site

Year of survey

N

CRF01_AE

CRF07_BC

B

CRF55_01B

Other CRFs and URFs

Region

Province

n

MSM cluster 1

MSM cluster 2

Other

n

MSM Cluster 3

Other

n

B

B′

Northeastern

Liaoning (LN)

2008–2012

263

213

43

165

5

15

10

5

28

26

2

0

7

  

(100)

(80.9)

(16.3)

(62.7)

(1.9)

(5.7)

(3.8)

(1.9)

(10.6)

(9.9)

(0.7)

(0.0)

(2.8)

Northern

Beijing (BJ)

2008–2011

163

81

57

24

0

30

28

2

51

50

1

0

1

  

(100)

(49.7)

(35)

(14.7)

(0.0)

(18.4)

(17.2)

(1.2)

(31.3)

(30.7)

(0.6)

(0.0)

(0.6)

Eastern

Shandong (SD)

2009–2012

42

25

20

5

0

10

10

0

4

4

0

3

0

  

(100)

(59.4)

(47.5)

(11.9)

(0.0)

(23.8)

(23.8)

(0.0)

(9.5)

(9.5)

(0.0)

(7.1)

(0.0)

Anhui (AH)

2011

136

74

63

11

0

45

45

0

8

8

0

2

7

  

(100)

(54.4)

(46.3)

(8.1)

(0.0)

(33.1)

(33.1)

(0.0)

(5.9)

(5.9)

(0.0)

(1.5)

(5.1)

Jiangsu (JS)

2009–2012

49

29

21

7

1

10

9

1

3

3

0

1

6

  

(100)

(59.2)

(42.9)

(14.3)

(2.0)

(20.4)

(18.4)

(2.0)

(6.1)

(6.1)

(0.0)

(2.0)

(12.3)

Shanghai (SH)

2009–2012

26

17

13

4

0

4

4

0

5

5

0

0

0

  

(100)

(65.4)

(50.0)

(15.4)

(0.0)

(15.4)

(15.4)

(0.0)

(19.2)

(19.2)

(0.0)

(0.0)

(0.0)

Central

Henan (HA)

2012

58

16

9

7

0

32

32

0

8

1

7

2

0

  

(100)

(27.6)

(15.5)

(12.1)

(0.0)

(55.2)

(55.2)

(0.0)

(13.8)

(1.7)

(12.1)

(3.4)

(0.0)

Hunan (HN)

2010–2012

68

28

24

4

0

33

30

3

1

1

0

5

1

  

(100)

(41.2)

(35.3)

(5.9)

(0.0)

(48.5)

(44.1)

(4.4)

(1.5)

(1.5)

(0.0)

(7.4)

(1.5)

Sichuan(SC)

2009

63

21

20

0

1

34

30

4

8

7

1

0

0

  

(100)

(33.3)

(31.7)

(0.0)

(1.6)

(54.0)

(47.7)

(6.3)

(12.7)

(11.1)

(1.6)

(0.0)

(0.0)

Southwestern

Yunnan (YN)

2012

67

34

33

1

0

23

22

1

2

1

1

1

7

  

(100)

(50.7)

(49.3)

(1.5)

(0.0)

(34.3)

(32.8)

(1.5)

(3.0)

(1.5)

(1.5)

(1.5)

(10.5)

Southern

Guangdong (GD)

2011–2012

40

10

9

1

0

19

18

1

2

2

0

5

4

   

(100)

(25.0)

(22.5)

(2.5)

(0.0)

(47.5)

(45.0)

(2.5)

(5.0)

(5.0)

(0.0)

(12.5)

(10.0)

Total

  

975

548

312

229

7

255

238

17

120

108

12

19

33

  

(100)

(56.2)

(32.0)

(23.5)

(0.7)

(26.2)

(24.4)

(1.7)

(12.3)

(11.1)

(1.2)

(1.9)

(3.4)

  1. The genotypes were determined based on the phylogenetic analyses to partial pol gene (HXB2: 2253–3278 nt). The percentage of case number in each subtype or CRFs are shown in parentheses.
Back to article page