My 2 daughters had it in November, the 4 year old had about 10 spots/blisters and no ill effects.....the 2 year old developed it about 10 days later and was absolutely plastered in them, but really wasnt too ill alongside it. Even in the bath on Sunday night I noticed a couple of scabs coming off her scalp during her hair wash, she was pretty much worse case scenario when it comes to the spots.
Im glad they got it early.
As far as I am aware, if an adult has never had it, 99% of cases just get normal chicken pox.....development into Shingles is extremely rare for a first time occurrance. Shingles normaly occurs when an adult who has previously had chicken pox, has herpes zoster remaining dormant in their body (as it does), and their immune system is a bit low, and it suddenly "wakes up"....its not pleasant atall I understand....I think you dont actualy catch it again, its something thats there already....maybe someone qualified can confirm this ?