Norovirus cases are growing in the US — here is what health officials say you can do to avoid it

Norovirus cases are surging in the U.S. this winter, according to figures from the Centers for Disease Control and Prevention.

There were 91 outbreaks of the unpleasant stomach bug reported during the week of December 5, the most recent period data was available, which is up from 69 outbreaks in the last week of November.