Nasal Vaccines Could Help Tackle COVID-19 Variants

Researchers are developing vaccines that would spray into the nose, to block COVID-19 viruses where they enter.

0:00 Introduction

0:51 What are Nasal Vaccines?

1:25 Covid-19 Nasal Vaccines

1:51 Injectable vs Nasal

2:40 History of Nasal Vaccines

3:04 Challenges of Nasal Vaccines

3:34 Promising Covid-19 Nasal Vaccines

5:10 Nasal Vaccines as Boosters

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