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Researchers racing to develop one vaccine for all coronaviruses
COVID-19 and its known variants, researchers around the world are in a race to find a universal vaccine that could protect against the current strain of the coronavirus as well as future ones.The U.S. Army started Phase 1 clinical trials this week of a vaccine called Spike Ferritin Nanoparticle (SpFN) at the Walter Reed Army Institute of Research (WRAIR) in Silver Spring, Md.