Exposing kids to chickenpox isn't new, but sending lollipops is fairly new, since chickenpox party's are scarce now. Before the vaccine every doctor encouraged parents to get their kids exposed because it's less severe in childhood, your parents were just following normal recommendations and smart commonsense. It was so common back then, that if you waited, you would just get it anyway, but in adulthood when it could be more serious.Â