Rapid development of a DNA vaccine for Zika virus

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Abstract
A DNA vaccine candidate for Zika: The ongoing Zika epidemic in the Americas and the Caribbean urgently needs a protective vaccine. Two DNA vaccines composed of the genes that encode the structural premembrane and envelope proteins of Zika virus have been tested in monkeys. Dowd et al. show that two doses of vaccine given intramuscularly completely protected 17 of 18 animals against Zika virus challenge. A single low dose of vaccine was not protective but did reduce viral loads. Protection correlated with serum antibody neutralizing activity. Phase I clinical trials testing these vaccines are already ongoing. Science , this issue p. 237
Funding Information
  • National Institute of Allergy and Infectious Diseases
  • Department of Diagnostic Medicine and Pathobiology
  • Frederick National Laboratory for Cancer Research
  • NIH (HHSN261200800001E)