https://www.youtube.com/watch?v=35Idb_lCU4o https://www.youtube.com/watch?v=35Idb_lCU4o by Ninja Nerd Lectures This is the best science based informative vide

https://www.youtube.com/watch?v=35Idb_lCU4o https://www.youtube.com/watch?v=35Idb_lCU4o by Ninja Nerd Lectures This is the best science based informative video I have seen on how these different Covid vaccines actually work.