在最近的一些报道中,认为使用有效剂量的磺胺类治疗某些恶性疟无效可能是由于抗磺胺恶性疟原虫的存在。但是,没有把复现的疟原虫转种其他宿主,而后用同样方法进行治疗,去证实其抗性的性质。由于许多人接受二氨二苯砜抑制治疗时,他们所发生的初次感染用磺胺治疗无效,从而推测在这两类化合物之间存在着交叉抗性。在感染越南、马来亚、缅甸株抗氯喹和抗 In some recent reports, the use of effective doses of sulfonamides to treat some falciparum malaria is considered ineffective due to the presence of P. falciparum. However, the recurrent plasmodium was not transplanted into other hosts and then treated in the same way to confirm the nature of its resistance. Because many people with sulfamethoxazole are ineffective at initial infection with dipyridamole, it is speculated that there is cross-resistance between these two classes of compounds. In infected Vietnam, Malaya, Myanmar strains resistant to chloroquine and anti-virus