The amount of actual product in each batch of COVID-19 vaccines varies. I suggested it early on. A new study confirms it.
The batch-dependent safety of the BNT162b2 mRNA COVID-19 vaccine - A New Study Review
The batch-dependent safety of the BNT162b2…
The batch-dependent safety of the BNT162b2 mRNA COVID-19 vaccine - A New Study Review
The amount of actual product in each batch of COVID-19 vaccines varies. I suggested it early on. A new study confirms it.