Stomach Flu 2024 Florida Health. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite. During the 2024 southern hemisphere flu season, most countries experienced similar levels of flu activity compared to trends observed in prior seasons (2017โ2019.
Cases of norovirus, a highly contagious stomach bug, are climbing in the northeastern u.s. The norovirus, aka the stomach flu, is continuing to circulate, causing more cases in the u.s.
