\nMost attempts at a so-called universal vaccine have the modest goal of inducing immunity against an entire family of virus — all coronaviruses or all flu viruses, for example — usually by mimicking evolutionarily conserved viral components that are less likely to mutate. A truly universal vaccine that can counter diverse pathogens was a pie-in-the-sky idea.
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\nThe study received funding from the National Institutes of Health (grant AI167966), the Violetta L. Horton Professor endowment, the Soffer Fund endowment and Open Philanthropy.