Stomach Flu 2024 California. What norovirus isn't, however, is the stomach flu — despite what you might read or hear to the contrary. The highly contagious norovirus, sometimes referred to as the stomach flu, is on the rise in california, prompting state health officials to urge healthcare providers to.

What is the stomach flu? What norovirus isn’t, however, is the stomach flu — despite what you might read or hear to the contrary.