Learn the relationship between Chicken Pox and shingles.
chicken pox and shingles
"I think 60-70 years of an increase in shingle due to a decrease in the CP rate (shingles is much more dangerous than CP) is an inappropriate choice from a public health POV. It is a long period, you're right. I have mixed feelings about that. I'd be …"
http://www.mothering.com/community/t/1365241/chicken-pox-and-shingles/40
