Two different manufacturing processes. Pfizer covid vaccines for the clinical trials were mostly produced using manufacturing ‘process 1’ whereas the vaccines used for population vaccination were produced using a different ‘process 2’

Interview with Josh Guetzkow PhD

Here is the BMJ link: https://www.bmj.com/content/378/bmj.o...

Josh's handle on X.com is @joshg99 and here is a link to a thread I did on P1 vs. P2: https://x.com/joshg99/status/16584211...

Here is a link to my blog:
https://researchrebel.substack.com/

Here are links to my posts on the Pfizer clinical trial

https://researchrebel.substack.com/p/...
https://researchrebel.substack.com/p/...
https://researchrebel.substack.com/p/...

https://www.bmj.com/content/378/bmj.o...

https://www.nejm.org/doi/suppl/10.105...

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