The contrasting table testifies to a double-edges sword presently, at least possibly inn some cases, yet subject to change (as spending some time in a library would show), and the point is how science is often not settled, at least quickly. But do not question the scientific warrant for mandating vaccination.
Dosage makes the poison.
I deal in herbals (not THAT herb just herbs in general) and the first thing you learn is that nothing will help everybody and everything will harm somebody.
You have to aim for the middle while keeping a sharp eye out for the exceptions.
If I have heard "But it's NATURAL, it won't hurt me," once I have heard it a couple hundred times. So, it's natural. So is arsenic and oleander.
I remember that part of the reason Rasputin got the power he did was that he stopped them from giving aspirin to Tsarevich Alexei who had hemophilia.