A nasal spray purportedly capable of preventing infection from coronavirus, as well as stopping people from infecting others, has been developed by researchers at the University of Birmingham.
According to the study, which has not yet been peer-reviewed, it catches and coats the virus inside the nose, from where it can be eliminated by either nose-blowing or swallowing.
As the virus is encapsulated in the spray, it is prevented from being taken-up by the body, so if any virus particles are passed on to another person via a sneeze or cough, that person is less likely to be infected by active virus particles, researchers say.
Professor Liam Grover, one of the leading authors of the study, said: “Although our noses filter thousands of litres of air each day, there is not much protection from infection, and most airborne viruses are transmitted via the nasal passage.
“The spray we have formulated delivers that protection but can also prevent the virus being passed from person to person.”
Researchers say regular application of the spray could significantly reduce disease transmission, and believe it could be particularly useful in areas where crowding is less avoidable, such as on flights or in classrooms.
“Products like these don’t replace existing measures such as mask wearing and handwashing, which will continue to be vital to preventing the spread of the virus.
“What this spray will do, however, is add a second layer of protection to prevent and slow virus transmission.”
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