Table 1. Diversity in pol sequences obtained from HIV-1 seropositive individuals diagnosed in four VCTs located in metropolitan area of Rio de Janeiro, Brazil, from 2005 to 2007.
| 2005 Prevalent | 2005–2007 Incident | Overall | |
| N (%) | N (%) | N (%) | |
| OVERALL | 102 (41.5) | 144 (58.5) | 246 (100.0) |
| B | 85 (83.3) | 107 (74.3) | 192 (78.0) |
| F1 | 11 (10.7) | 13 (9.0) | 24 (9.8) |
| BF1 | 4 (4.0) | 10 (6.9) | 14 (5.7) |
| CRF_02AG | 0 (0.0) | 7 (4.9) | 7 (2.8) |
| K recombinants | 1 (1.0) | 3 (2.1) | 4 (1.6) |
| Other forms | 1 (1.0) * | 4 (2.8) ** | 5 (2.1) |
| Subtype | |||
| Pure | 96 (94.1) # | 121 (84.0) # | 217 (88.2) |
| Recombinant | 6 (5.9) # | 23 (16.0) # | 29 (11.8) |
| Pure Subtype | |||
| B | 85 (88.5) | 107 (88.4) | 192 (88.5) |
| other than B | 11 (11.5) | 14 (11.6) | 25 (11.5) |
| Recombinant | |||
| URF | 4 (66.7) | 12 (52.2) | 16 (55.2) |
| CRF (related) | 2*** (33.3) | 11**** (47.8) | 13 (44.8) |
| MALE - FEMALE | 56 (54.9)−46 (45.1) | 74 (51.4)−70 (48.6) | 130 (52.8)−116 (47.2) |
| Subtype | |||
| Pure | 54 (96.4) ##−42 (91.3) | 61 (82.4) ##−60 (85.7) | 115 (88.5)−102 (87.9) |
| Recombinant | 2 (3.6) ##−4 (18.7) | 13 (17.6) ##−10 (14.3) | 15 (11.5)−14 (12.1) |
| Pure Subtype | |||
| B | 48 (88.9)−37 (88.1) | 54 (88.5)−53 (88.3) | 102 (88.7)−90 (88.2) |
| other than B | 6 (11.1)−5 (11.9) | 7 (11.5)−7 (11.7) | 13 (11.3)−12 (11.8) |
| Recombinant | |||
| URF | 2 (100.0)−2 (50.0) | 5 (38.5)−7 (70.0) | 7 (46.7)−9 (64.3) |
| CRF (related) | 0 (0.0)−2 (50.0) | 8 (61.5)−3 (30.0) | 8 (53.3)−5 (35.7) |
| MSM - HETERO ### | 19 (33.9)−37 (66.1) | 32 (50.8)−31 (49.2) | 51 (42.8)−68 (57.2) |
| Subtype | |||
| Pure | 18 (94.7)−36 (97.3) | 26 (81.3)−27 (87.1) | 44 (86.3)−63 (92.7) |
| Recombinant | 1 (5.3)−1 (2.7) | 6 (18.7)−4 (12.9) | 7 (13.7)−5 (7.3) |
| Pure Subtype | |||
| B | 17 (94.5)−31 (86.1) | 23 (88.5)−23 (85.2) | 40 (90.9)−54 (85.7) |
| other than B | 1 (5.5)−5 (13.9) | 3 (11.5)−4 (14.8) | 4 (9.1)−9 (14.3) |
| Recombinant | |||
| URF | 1 (100.0)−1 (100.0) | 3 (50.0)−0 (0.0) | 4 (57.1)−1 (20.0) |
| CRF (related) | 0 (0.0)−0 (0.0) | 3 (50.0)−4 (100.0) | 3 (42.9)−4 (80.0) |
*
URF_CD (1).
**
subtype C (1), URF_CF (1), URF_BD (2).
***
CRF28_BF/CRF29_BF (1), CRF39_BF (1).
****
CRF02_AG (7), CRF28_BF/CRF29_BF (1), CRF39_BF (1), CRF40_BF (1), CRF42_BF (1).
#
P value = 0.016.
##
P value = 0.014.
###
11 male volunteers didn't want to express information about their sexual practices.