I'd also read an article about Pfizer batches varying but it's been taken down.
Pfizer Added Differing Amounts of Active Ingredient to Batches of COVID Vaccine | Truth11.com
https://truth11.com/2022/03/18/pfizer-added-differing-amounts-of-active-ingredient-to-batches-of-covid-vaccine/
I'd also read an article about Pfizer batches varying but it's been taken down.
Pfizer Added Differing Amounts of Active Ingredient to Batches of COVID Vaccine | Truth11.com
https://truth11.com/2022/03/18/pfizer-added-differing-amounts-of-active-ingredient-to-batches-of-covid-vaccine/
Was this linked with Dr. Yeadon's bioweapon titration theory?
Sorry I cannot remember all of the details.
This looks to be a similar article:
https://www.europereloaded.com/pfizer-added-differing-amounts-of-active-ingredient-to-batches-of-covid-vaccine-video/