Norovirus vaccine shows early progress

Immunized individuals experienced less vomiting, diarrhea

By Nathan Seppa, 14:17 PM October 8, 2013

SAN FRANCISCO — A vaccine in early testing partially protects against a common diarrhea-causing virus, a small trial finds. The culprit, norovirus, is a group of viral strains that includes the infamous Norwalk virus, which plagues some cruise ships. Norovirus causes up to 21 million infections each year in the United States, the Centers for Disease Control and Prevention estimates.

Most people have experienced a norovirus infection, said study coauthor David Bernstein, an infectious disease p...

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