As SARS-CoV-2 swept across the world in 2020, scientists worked furiously to develop vaccines that could stop the spread—or at least stave off the worst symptoms of COVID-19. In record time, multiple companies developed effective vaccines that have prevented countless deaths as the pandemic has stretched on.
However, as research continues on how to modify and improve the existing vaccines against SARS-CoV-2, scientists have set their sights on an even more ambitious goal: a pan-coronavirus vaccine that would work against multiple coronaviruses.
