Covid-19 vaccine: How would nasal sprays work?

nasal spray flu covid-19 vaccine
A nasal spray blocks the entry of viruses, stopping them from proliferating in the nasal cavity, which reduces their load.

What you need to know:

  • There was however limited evidence of the success rate of nasal spray vaccines against Covid-19 as per the time of publication of this article.

Coronavirus is a contagious respiratory illness that can be spread through droplets in the air, such as when an infected person coughs or sneezes.


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