Recombinant Chimeric Virus with Wild‐Type Dengue 4 Virus Premembrane and Envelope and Virulent Yellow Fever Virus Asibi Backbone Sequences Is Dramatically Attenuated in Nonhuman Primates

Abstract excerpt

Candidate vaccine ChimeriVax viruses are attenuated, efficacious, safe, and highly unlikely to be transmitted by arthropod vectors. Nevertheless, concerns have been raised about the use of these vaccines because of the potential for recombination between vaccine and wild-type (WT) strains. To evaluate the vertebrate pathogenicity of such a worst-case recombinant, ChimeriVax-dengue (DEN) 4 virus was chimerized...

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