Excellent review of myths of enlisting more companies to make mRNA vaccine by @DerekLowe. Bespoke machines, processes & tech, multiple supply chains, a myriad of Sci & Eng expertise & steps needed before mass production. Many pharma companies can’t do it.

Medical Mythbusting Commentary for February 3, 2021

Myths of Vaccine Manufacturing
A vial, a vaccine and hopes for slowing a pandemic — how a shot comes to be
Why Even Presidential Pressure Might Not Get More Vaccine to Market Faster

Exploring the Supply Chain of the Pfizer/BioNTech and Moderna COVID-19 vaccines