The molecular marker of chloroquine-resistant falciparum malaria subsequently declined in prealence and was undetectable by 2001, suggesting that chloroquine might once again be effectie in Malawi.

• 对氯喹有抗药性的恶性疟的分子特点在随后的流行中衰落下来，到2001年几乎消失，这说明在马拉威氯喹可以重新有效。