Dengue Hemorrhagic Fever

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Science  10 May 1996:
Vol. 272, Issue 5263, pp. 829
DOI: 10.1126/science.272.5263.829


New results in this issue of Science by Olson et al. (p. 884) report a way to genetically engineer mosquitoes so they cannot transmit dengue fever to humans. This first successful effort to express an exogenous gene that confers resistance to an important human pathogen is discussed by James in his Perspective.