In animal experiments in mice and monkeys, a new nanoparticle vaccine protects against multiple SARS-like viruses , including variants of the new coronavirus. The research report was published in the journal Science. Vaccines are based on caged nanoparticle technology, constructed of proteins with sticky appendages on the surface that can be used to label viral proteins. When injected into animals, the vaccine displays fragments of the virus to the immune system, inducing antibody production. In the latest study, researchers used the spike structures of eight SARS-like viruses, including SARS-CoV-2, to induce the immune system to mount a broad coronavirus antibody response.
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