Name: Norovirus tears across US; stomach bug causing widespread misery
Uploaded: Wed Jan 25 2017 12:13:49 GMT+0000 (UTC)
Duration: 2 min 22 s
Description: Norovirus outbreaks across the country are bringing misery to millions of families and even forcing some schools to close. Experts say the infectious disease is one of the most contagious, hitting hospitals, cruise ships and schools first. NBC’s Tom Costello reports for TODAY.

Jan. 25, 201702:22