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Could a nasal spray help prevent Covid transmission?

Although vaccines will go a long way to reducing the number of cases of Covid, there’s still a need for other approaches.

One of these could be an engineered biomolecule, designed by virologists Anne Moscona and Matteo Porotto, that blocks SARS-CoV-2 precisely at the moment it tries to enter cells in the nose and upper airways.

Anne explains how this “molecular mask” would work.

(Image: Illustration of a person using nasal spray, Credit: Getty Images.)

Release date:

Duration:

6 minutes