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Researchers have come out with a new vaccine that can ward off the norovirus that often affects those who take cruises. People are susceptible to this virus when in a crowded place like a cruise ship. Norovirus can cause cramping, diarrhea, and vomiting. The debate is over who should and would take the vaccine. Unfortunately there are many different strains of the virus and the vaccine would need to be altered every year to continue being effective.
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