The war against malaria in tropical countries was fought and lost in the 20th Century on the basis of faulty intelligence, a 'dodgy dossier' which argued that the same methods used to tackle the disease in temperate countries would also work in the tropics.
Eradication failed in almost every tropical and sub-tropical country, because tactics that had been proven to work in countries such as the USA, Greece and Italy were also deployed in tropical countries, despite the existence of evidence that they would they not work, particularly in sub-Saharan Africa.