Stomach Flu 2024 Alberta. It is the leading cause of foodborne illness in the united states. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite.
Influenza cases are spiking early and they’ve hit levels not seen since. The very contagious norovirus that is known for causing inflammation of the stomach and intestines is rising across the country โ but it is not uncommon during this.