On the other hand a number of countries, mostly in Africa, are presently considering the re-introduction of DDT to strengthen malaria control, while others have informed WHO of the intension to do the same.
另一方面，一系列国家，尤其是非洲国家，正考虑重新应用滴滴涕来加强疟疾控制，另一些国家告知世界卫生组织，它们也有同样意图。