Noble Prize Winners- Medicine's is a concern!!!

I didn't actually register the (Ig) at first, there I was bleary eyed this morning without a sip of coffee, imagine my surprise as I read the winning work for the Medicine Prize! For one moment I thought I never knew about that risk? Is it common knowledge?!! ~That's why morning coffee is a must!
http://www.bbc.co.uk/news/science-environment-19667664