The process for making these two vaccines began as soon as the SARS-CoV-2 sequence was published. In fact, Moderna never had the actual coronavirus on its premises. It never needed a sample, just the computational sequence of the virus’s RNA. Once Moderna got the sequence, the entire process to construct a candidate vaccine took just two days.21 And in six weeks, Moderna went from having the sequence in their computers to beginning the manufacture of a vaccine to start human testing,
