Covid nasal spray ‘wraps round virus like a python’ to block infection – The Times


Australian researchers are to test whether squirting a common blood thinner into the nose can prevent people being infected with the coronavirus.

The nasal spray uses the widely available drug heparin, which is used to reduce blood clotting but also appears to prevent Covid-19 infections, the researchers announced today.

“Our study shows immense potential — studies show that intranasal heparin can wrap around the virus like a python, preventing it from infecting you or spreading the virus to others,” said Professor Gary Anderson, of Melbourne’s Monash University.

The spray coats the nose but does not go down into the lungs. The researchers say it is cheap, easy to distribute and is expected to be effective against mutant strains of the virus including the Omicron variant.


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