Completed Infection & Immunity Genetics & Molecular Biology

saRNA SARS-CoV-2 vaccine

In plain English

AI plain-English summary

A synthetic RNA vaccine against the novel coronavirus is moving directly from the lab into human safety and immune testing within months. This matters because the pandemic demands a vaccine far faster than traditional development timelines allow. Most vaccines take years to produce; the core challenge is speed without sacrificing safety or effectiveness. The researchers have taken the genetic code for the virus's key surface protein, stabilised it to better trigger protective antibodies, and built an RNA vaccine that amplifies itself inside cells after injection. The fully synthetic manufacturing process means doses can be produced rapidly once the design is finalised. If this first phase succeeds, the vaccine would move into larger trials to test whether it actually protects against natural infection. Success would mean a widely available vaccine produced on a timeline measured in weeks, not years—changing how quickly the world can respond to emerging viral threats. The same self-amplifying RNA platform could also be adapted for future outbreaks, making pandemic preparedness more agile.

View original technical description
We will rapidly progress a synthetic vaccine against the novel Coronavirus into human studies within months. We have determined the genetic sequence (code) for the dominant surface exposed protein of the virus, the key target for protective immune responses. We have modified this sequence to express a highly stabilised version of the protein, maximising its potential to evoke protective antibodies. We have used this modified sequence to generate a ribonucleic acid (RNA) based vaccine that can be amplified within cells following injection, maximising its expression. Our RNA vaccine delivers the genetic instructions that tell muscles to make the viral surface protein which alerts the immune system to make protective antibodies. The advantage of our fully synthetic manufacturing process means that millions of doses can be made within weeks. This project will support clinical grade manufacturing of our candidate vaccine, preclinical safety testing and healthy volunteer studies to assess safety and immune potency of our vaccine. Should this first phase be successful we would progress to wider clinical testing, including studies to determine its protective effects against natural infection before making our vaccine widely available.

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Researchers

Katrina Pollock (Co-Investigator)Robin Shattock (Principal Investigator)

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Original classification

Intramural

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