One of many reasons I am never going to take any kind of vaccine regardless is this reasoning.
How can I trust strangers to inject me with known harmful substances who have harmed many in the past?
Why should I start trusting the dude in the creeper van just because he has wears blue scrubs, says , Trust me...
What's in the hypodermic doc?

"You aren't allowed to know," he responds.

Exhibit #1

https://www.brighteon.com/7df7514a-982b-454c-b0fe-0d14ac799b2a