A nasal spray that halves the time a person is positive for coronavirus could soon be available.
A nasal spray that halves the time a person is positive for coronavirus could soon be available. Trials involving more than 300 patients found that the nitric oxide spray reduces viral load by 94 per cent within the first 24 hours, and more than 99 per cent after two days. It works by sending molecules into the upper airways where it can kill the virus directly