Tobacco plants yield the first vaccine for the dreaded ‘cruise ship virus.

Scientists have used a new production technology to develop a vaccine for norovirus, the unpleasant package of diarrhea and vomiting that has destroyed the costly holidays of thousands of cruise ship vacationers. Norovirus is the second most common viral infection in the U.S. after the flu, “can spread like wildfire through passenger liners, schools, offices and military bases.”