A bit long to read through but for the folks who are interested to learn more about mRNA vaccine in-depth, this article seems to be the best so far. My classmate kindly forwarded it to me this morning;
 

https://www.statnews.com/2020/11/10/the-story-of-mrna-how-a-once-dismissed-idea-became-a-leading-technology-in-the-covid-vaccine-race/

This is a full story about the birth of Pfizer-BioNTech and Moderna's mRNA vaccine.

I think Katalina Kariko deserved to receive Nobel Prize next yr.

You would enjoy reading it.

BB Lee