Scientists work on nasal spray that could stop Covid virus replicating

Substance has had promising results in ferrets, with hopes it may reduce transmission

A nasal spray is under development that could nip a coronavirus infection in the bud, with promising results already seen in ferrets, researchers have revealed.

With coronavirus infections surging around the world, the race is on to develop a vaccine. But researchers are also looking for other ways to tackle Covid-19.

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