How Widesoread Is The Stomach Flu Over Christmas 2024 In Montana. You may know norovirus by its more common name “the stomach flu.”. As we enter spring, cases of norovirus are beginning to rise, including an outbreak on a cruise ship.

It is a very contagious virus, and is sometimes call the. Flu activity in montana remains widespread, according to the latest report released friday by the montana department of public health and human services.