I don't think we can really know what's in the vials. Well, we know there's nanotech and some synthetic looking parasites from the microscopic images we've seen, but venom?

In Hunger Games they had an insect that stunned people when it stung them and left them out of it, not knowing where they were. Reading through the Vaers reports, many people report that sensation just after the vax, like immediately following the injection and remain that way even up to two days later, many with what seems to be permanent brain fog.

I have never before heard of a vaccine causing this reaction. In fact, when people get their kids vaxed, the doctor never tells them to sit and wait 15-20 minutes in case of a reaction.

There's something in them that causes an instant effect on the brain and nervous system, senses.