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Chewing gum to block COVID-19? Penn researchers hope so, but there’s a long way to go.

An experimental chewing gum could reduce the spread of Sars-CoV-2, the virus that causes COVID-19, according to a recent study by University of Pennsylvania researchers published in the journal Molecular Therapy. You might already have noticed headlines calling the findings “fresh hope” in our fight against COVID-19. But how excited should we be? And would this gum work against omicron, the newest variant of concern?