The resistance rates of isolates from the north border of Laos were in order 9/10,8/10,1/5 to CHL,PIP,PRN,ID 50 were 114.0, 166.9,16.4 nmol/L,ID 95 were 570.0, 631.1 and 107.7 nmol/L.

• 老挝境内恶性疟原虫分离株对氯喹、哌喹及咯萘啶的抗性率分别为9/10、8/10及1/5；