Result: In addition, multi-
NRTI resistance mutation,
Q151M was detected among 5 (12.2%) of the study subjects, which affects all
NRTIs currently approved by the US FDA except tenofovir (Table 2).
Discussion: In our study, 4 (9.8%) study subjects harbored
Q151M, multi
NRTI resistance mutation, which is known to cause high level resistance to AZT, D4T, DDI, ABC and low level resistance to 3TC, FTC, TDF.