Articles on Mucus membrane
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The nose produces more than 100 millilitres of snot over the course of a day (less during sleep) and uses it to treat and filter the air we breathe.
An effective nasal vaccine could stop the virus that causes COVID-19 right at its point of entry. But devising one that works has been a challenge for researchers.
In secret, in the car or on napkins, we all do it. And truth be told, it is so satisfying.
Research suggests that giving a person a vaccine through their nose can provide a better defense against future exposure to the coronavirus compared to a shot in the arm.



