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| “The
reasons for the dramatic global emergence of DF/DHF as a major public
health problem are complex and not well understood. However, several
important factors can be identified. 1. First, major global demographic changes have occurred... 2. In most countries the public health infrastructure has deteriorated... 3. Increased travel by airplane provides the ideal mechanism for infected human transport of dengue viruses ... 4. Lastly, effective mosquito control is virtually nonexistent in most dengue-endemic countries. Considerable emphasis in the past has been placed on ultra-low-volume insecticide space sprays for adult mosquito control, a relatively ineffective approach for controlling Ae. aegypti [1]”. |