How Pfizer Makes Its Covid-19 Vaccine
How Pfizer Makes Its Covid-19 Vaccine April 28, 2021 Inside this facility in Chesterfield, Missouri, trillions of bacteria are producing tiny loops of DNA containing coronavirus genes — the raw material for the Pfizer-BioNTech vaccine. It’s the start of a complex manufacturing and testing process that takes 60 days and involves Pfizer facilities in three states. The result will be millions of doses of the vaccine, frozen and ready to ship. STEP 1 Pull DNA from Cold Storage A scientist removes vials of DNA from the master cell bank, the source of every batch of Pfizer’s Covid-19 vacci...
Source: nytimes.com