In this video I am trying to explain the technology and working principle of Vector-Based Covid-19 Vaccines (Johnson and Johnson, CanSino, PakVac, Sputnik V, AstraZeneca and Covishield.
How AstraZeneca, Pfizer and Moderna vaccines work?
Chapters:
00:00 Intro
01:55 Differences
04:19 Why single shot?
05:53 Mechanism of action
08:46 Outro
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