大象传媒

Although vaccines will go a long way to reducing the number of cases of Covid, there鈥檚 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 鈥渕olecular mask鈥� would work.

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