Wow, this one's crazy contagious!
A new strain of norovirus that wreaks havoc on people?s stomachs is so vicious that it?s being called a ?superbug? by doctors.
Though it was first identified in Australia, this norovirus - also called the Sydney strain - is quickly spreading across the United States.
Story and video here...
http://abcnews.go.com/blogs/health/2...g-hitting-u-s/