I have some links that I saved from when we were heavy into its discussion on RC or somewhere.
http://emedicine.medscape.com/article/1105126-overview
http://www.cbwinfo.com/Biological/Toxins/Palytoxin.html
http://www.provet.co.uk/health/disea...iummarinum.htm
Pretty good reference links for what we are discussing here but I take them just as that.
In all my years in the hobby I have never encountered many of these things. I did get an infection from an urchin poke and the tank water getting into it.
Plus when I handle a lot of live rock, esp. well seasoned rock, my hands and fingers swell. Sometimes so bad I need some meds for it.