Purposely infect your child with chickenpox? Is that crazy or what?

This is not crazy for certain vaccine-averse parents who are immunizing their children against the varicella virus at the latest immunization venue—the chickenpox party.

This is a familiar concept to me. In the days before varicella vaccine, I did that, too.

As with many other things, what was old is new again, and, purposely infecting a child with chickenpox is making a comeback. ...