1955年发起的全球性灭疟规划,在一些国家获得显著结果。可是到70年代有些国家开始遇到了严重困难,许多地区疟疾继续流行和回升非洲撒哈拉以南的非洲大陆由于经济和技术上的困难,未能开展疟疾的防治运动。以后,世界疟疾问题从灭疟规划转到了疟疾控制。当今疟区的防治工作需要采 The global plan to combat malaria, launched in 1955, has yielded significant results in some countries. However, some countries started to experience serious difficulties by the 1970s. The malaria epidemic and the recovery in many areas of Africa have not been able to carry out malaria prevention and control campaigns because of economic and technical difficulties in the sub-Saharan African continent. Since then, the world’s malaria problem has shifted from malaria control to malaria control. The current malaria prevention and control work needs to be taken