Abstract: Among mutations correlated to high (
K103N,
V106A,
Y181C/I,
Y188C/H/L,
G190A/C/E/Q/S/T) or moderate (
V108I,
V118I) levels of nevirapine resistance, the predominant amino acid change was a substitution at 103 codon, present in 24 of 80 samples tested.