Table 2

Type and frequency of drug resistance mutations detected in 23 samples of HIV-positive FSWs with virological failure who remained on ART for at least 6 months

Mutationsn (%)
Resistance category (n=28)
 Sequences with any SDRM23 (82.1)
 PR sequences with any PI SDRM1 (3.6)
 RT sequences with any NRTI SDRM16 (57.1)
 RT sequences with any NNRTI SDRM23 (82.1)
 RT sequences with any NRTI + any NNRTI SDRM16 (57.1)
 PRRT sequences with any NRTI + any NNRTI + PI SDRM1 (3.6)
NRTI-related mutations (n=23)
 M184V16 (70)
 T215Y6 (26)
 K65R3 (13)
 L74V3 (13)
 M41L3 (13)
 D67N2 (9)
 K219Q2 (9)
 L210W1 (4)
 K70R1 (4)
NNRTI-related mutations (n=23)
 K103N15 (65)
 G190A7 (30)
 P225H6 (26)
 K101E5 (22)
 Y181C4 (17)
 V106M1 (4)
 V179F1 (4)
 L100I1 (4)
PI-related mutations (n=23)
 M46L1 (4)
  • ART, antiretroviral therapy; FSWs, female sex workers; NNRTI, non-nucleoside reverse transcriptase inhibitor; NRTI, nucleoside reverse transcriptase inhibitor; PI, protease inhibitor; PR, Protease; PRRT, Protease and Reverse Transcriptase; RT, Reverse Transcriptase; SDRM, surveillance drug resistance mutation.