Table 1.

Features of the five P. falciparum strains used in this study

StrainOriginSensitivitya
CQQuiPyrCycSulMQ
D6Sierra LeoneSSSSSS/R
Dd2IndochinaRRRR
HB3HondurasSRRSSS
ItGBrazilRS
W2IndochinaRRRRRS
  • a The sensitivity data shown is based on other reports (3, 4, 6, 9, 16). The drugs studied were chloroquine (CQ), quinine (Qui), pyrimethamine (Pyr), cycloguanil (Cyc), sulfadoxine (Sul), and mefloquine (MQ). Results are reported as sensitive (S), resistant (R), intermediate (S/R), or unknown (—). Some results have varied between laboratories.