Check out this MSNBC article called, "Why Washing Your Hands isn't Enough" about the new strain of Norovirus (the Sydney Strain). The virus is apparently also called "Winter Vomiting Disease." There's a cheery name.
Be sure to take extra precautions this winter to avoid illness. Here are some tips from the CDC to prevent Norovirus: http://www.cdc.gov/features/norovirus/.
If anyone needs me, I'll be in a plastic bubble filled with hand sanitizer and Vitamin C.