Scientists Study Norovirus Outbreaks of the Norwalk virus on cruise ships in recent weeks have brought the bug widespread publicity. The virus isn't new. Gastrointestinal illnesses caused by what's really a family of viruses have been diagnosed for 30 years. Scientists now are referring to the group of viruses as "Norovirus." NPR's Joanne Silberner reports.

Scientists Study Norovirus

Scientists Study Norovirus

  • Download
  • <iframe src="https://www.npr.org/player/embed/918164/918165" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Outbreaks of the Norwalk virus on cruise ships in recent weeks have brought the bug widespread publicity. The virus isn't new. Gastrointestinal illnesses caused by what's really a family of viruses have been diagnosed for 30 years. Scientists now are referring to the group of viruses as "Norovirus." NPR's Joanne Silberner reports.