What is mucosal immunity? Thanks for asking! 

It was announced last week that Covid booster vaccines would soon be available to millions of people across the UK, including all over 50s and other people with underlying health conditions.  

In the meantime, new ways to combat the virus are emerging, specifically that of an nasal spray vaccine designed to boost mucosal immunity. Regular listeners may recall our recent episode on this kind of vaccine. The latest developments this month saw a team of French researchers present promising results from preliminary clinical trials on mice and hamsters.

How is mucosal immunity different to what’s generated by traditional vaccines then? Are you saying we won’t ever reach herd immunity with the existing vaccines? In under 3 minutes, we answer your questions!

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