Vaccines Protect Mice Against Zika Infection

Two different vaccines confer complete immunity for two months, researchers report.

Written byAlison F. Takemura
| 2 min read

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WIKIMEDIA, RAMAVaccines against Zika virus have proven effective in mice, a team of scientists reported Tuesday (June 28) in Nature. “The protection was striking,” study coauthor Dan Barouch, who leads the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center and Harvard Medical School, told The Verge.

Two different vaccines, both designed against a Zika strain isolated from northeast Brazil, induced protective antibodies that conferred immunity when transferred into unvaccinated mice. One of the vaccines is DNA-based and expressed Zika pre-membrane and envelope immunogens. The other is made of inactivated virus.

“Our findings suggest that the development of a ZIKV [Zika virus] vaccine for humans will likely be readily achievable,” the authors from the Walter Reed Army Institute of Research, Harvard Medical School, and the University of São Paulo, Brazil, wrote in their paper.

Researchers hope to initiate clinical trials by the end of the year, study coauthor Nelson Michael, director of the US Military HIV Research Program at Walter Reed, told STAT News. However, experts cautioned that it would still take ...

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