Table 1 Proportion of subtype/CRF in the Nigerian dataset of previously published and new sequences collected in the period 1999–2013.

From: Characterisation of HIV-1 Molecular Epidemiology in Nigeria: Origin, Diversity, Demography and Geographic Spread

Subtype/CRFa

Nc

%

Geographyd

Southwest

North Central

North East & North West

LAG

IBA

OND

OSO

OYO

ENU

Total

ABV

JOS

MIN

NC

Total

KAD

DAM

MAI

KAN

YOL

Total

A1

24

1.7

9

2

0

0

0

0

11

7

5

0

0

12

0

0

1

0

0

1

B

4

0.3

1

1

0

0

0

0

2

2

0

0

0

2

0

0

0

0

0

0

C

14

1.0

2

1

0

0

2

0

5

6

2

0

1

9

0

0

0

0

0

0

CRF02_AG

636

44.1

176

27

0

1

18

0

222

284

94

0

10

388

13

0

11

2

0

26

CRF06_cpx

64

4.4

18

2

0

0

0

0

20

36

6

0

1

43

0

0

1

0

0

1

CRF09_cpx

1

0.1

0

1

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

CRF11_cpx

4

0.3

1

0

0

0

0

0

1

2

1

0

0

3

0

0

0

0

0

0

CRF18_cpx

1

0.1

1

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

CRF19_cpx

1

0.1

0

0

0

0

0

0

0

0

1

0

0

1

0

0

0

0

0

0

CRF43_02G

236

16.4

33

11

1

0

0

0

45

138

34

0

0

172

8

0

8

3

0

19

CRF49_cpx

1

0.1

1

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

D

9

0.6

2

0

0

0

0

0

2

4

2

0

0

6

0

0

1

0

0

1

G

119

8.3

24

6

0

0

0

0

30

55

25

1

0

81

4

1

3

0

0

8

URFb

328

22.7

78

13

0

0

2

1

94

163

46

0

3

212

9

0

11

0

2

22

Total

1442

100

346

64

1

1

22

1

435

697

216

1

15

929

34

1

35

5

2

78

  1. aCRF, Circulating recombinant forms; bURF, Unique recombinant forms; cN, number of sequences; dAbbreviations for the different cities: LAG, Lagos; IBA, Ibadan; OND, Ondo; OSO, Osogbo; OYO, Oyo; ENU, Enugu; ABV, Abuja; JOS, Jos; MIN, Minna; NC, Other North central cities; KAD, Kaduna; DAM, Damaturu; MAI, Maiduguri; KAN, Kano; YOL, Yola.