How do you get poison ivy?
From touching it, or touching something that has touched it, like your clothes or your dog. You normally get it from touching the leaves, but yanking the vine out by the roots - even in winter - will give you a wicked rash.
Using a weed eater to remove poison ivy will result in spraying your legs with poison ivy. If you are bare-legged and get scratches while splattered with sap from poison ivy, you may be headed to the emergency room.
And there are more unusual ways to get it, like breathing smoke from firewood burning with poison ivy on it. Which can also put people into the hospital.
What about immunity?
Some people appear to be immune, others become immune. HOWEVER, you can gain or lose immunity, so to assume you can't get it if you never have before is foolish. People change as they age. I would never assume that I was immune at an