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[2] [3] This typically lasts less than two weeks. [8] Although it is not related to influenza, in the U.S. and U.K., it is sometimes called the "stomach flu". [9] Gastroenteritis is usually caused by viruses; [4] however, gut bacteria, parasites, and fungi can also cause gastroenteritis.
One CDC chart shows that the highest number of outbreaks (106) reported per week during the 2021-2023 seasonal years was higher than the peak number of outbreaks (92) reported per week through the ...
The 24-hour flu is usually a type of gastroenteritis, which is an inflammation of the intestines and stomach, says William Schaffner, M.D., an infectious disease specialist and professor at the ...
The 2023-2024 norovirus season is well underway in the United States. Cases of the highly contagious stomach bug, which causes diarrhea and vomiting, are climbing steadily across the country.
Even after recovering, infected individuals can be contagious for two more weeks. One of the dangers of prolific vomiting and diarrhea is the loss of fluids, which can lead to severe dehydration.
Sapovirus is a genetically diverse genus of single-stranded positive-sense RNA, non-enveloped viruses within the family Caliciviridae. [1] [2] Together with norovirus, sapoviruses are the most common cause of acute gastroenteritis (commonly called the "stomach flu" although it is not related to influenza) in humans and animals.
It’s also sometimes called stomach flu, viral gastroenteritis or the winter vomiting bug. The U.S. reports 19 million to 21 million cases a year. Humans are the only hosts of the virus.
During the week of Dec. 5, the CDC reported 91 cases of norovirus, more commonly known as the stomach flu, which is over double the highest number recorded between 2021 and 2024.