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August 3, 2022

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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