Introduction: This region includes the following important and well-defined drug resistance mutations to nucleoside
RT inhibitors (
NRTIs) and non-nucleoside
RT inhibitors (
NNRTIs):
L210W,
T215Y/F and
K219Q/E associated with resistance to zidovudine (AZT) and stavudine (d4T);
M184I/V associated with resistance to lamivudine (3TC) and emtricitabine (FTC); and
Y181C/I/V,
Y188C/L/H and
G190S/A associated with resistance to nevirapine (NVP), efavirenz (EFV) and etravirin (ETR).