US scientists developing nasal spray to prevent Covid-19
Scientists at the University of Pennsylvania and the biotech firm Regeneron are investigating whether technology developed for gene therapy can be used to make a nasal spray that will prevent infection with the new coronavirus.
The idea is to use a weakened virus as a delivery truck to carry genetic instructions to cells within the nose and the throat, which will in turn create powerful antibodies to stop SARS-CoV-2 from invading our bodies.
"The advantage of our approach is that you don't need a competent immune system for this to be effective," James Wilson, a professor of medicine at Penn who is leading the project told AFP.
The technology is currently being tested in animals and Wilson believes that, if successful, it could provide people with around six months of protection from a single dose, sprayed up the nose, and therefore complement vaccines that could soon be approved.
https://www.msn.com/en-us/news/world/us-scientists-developing-nasal-spray-to-prevent-covid-19/ar-BB1bxiLC?li=BBnb7Kz
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