Stomach Flu Going Around 2024 In Usa. What norovirus isn't, however, is the stomach flu — despite what you might read or hear to the contrary. In this case, a virus causes the stomach flu, and.

Cases of norovirus, aka the stomach flu, continue to climb across the u.s. Outbreaks of norovirus, which is commonly referred to as the “stomach flu,” have “risen dramatically” since january 2022.