Bonus fact: while Sarah and Brian think chicken pox is normal, Debbie and Gary are afraid of shingles...

Before the varicella vaccine became widely availab...  ...e in 1995, some parents would encourage a case of chicken pox in their children, as enduring the disease would...  ...when I was young, no encouragement was needed as chicken pox , measles, and mumps swept through schools every y...  ...ed these days, it'...