mate you bloody can cause I have
I can even give you the names of the little brats that gave it to me the last two times.
And that's exactly what the quacks said as well, "but you can't get it more than once".
Both had to admit it was chicken pox and gave me a 14 day sick line from work, I even managed to give it to a kid that was staying on the 3rd infection.
It may go completely against medical theory but if I spot chicken pox I keep well away from it. I am not having chicken pox blisters on my nuts ever again if I can help it if that means off loading pax from my aircraft so be it.