Hi, my almost 2 year old is partially vaccinated. We stopped around a year old and I hope to resume when he's closer to 3. I was wondering how likely it would be that my son avoids chicken pox naturally before that time? I might decide not to vaccinate but would rather avoid natural infection until he is school age. Is that realistic? Can he catch it from passive exposure on a playground or beach? Back when chicken pox was inevitable, I don't recall anyone getting if outside of daycare or school. Just curious. Thank you.