Andoz on Nostr: They actually do ...

They actually do

quoting
nevent1q…pdxz

Don't know where you got your Info from. Here are some examples of vaccine trials where saline was used as the placebo:
https://publications.aap.org/pediatrics/article-abstract/134/3/e657/74155/Long-term-Study-of-a-Quadrivalent-Human?redirectedFrom=fulltext

https://pubmed.ncbi.nlm.nih.gov/19395948/

https://pubmed.ncbi.nlm.nih.gov/26411885/