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Norovirus is more commonly known as the stomach flu, and is the leading cause of vomiting and diarrhea from inflammation of the stomach ... at food events. ... Seniors and children most affected ...
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 ...
Viruses cause about 70% of episodes of infectious diarrhea in the pediatric age group. [13] Rotavirus is a less common cause in adults due to acquired immunity. [27] Norovirus is the cause in about 18% of all cases. [28] Generally speaking, viral gastroenteritis accounts for 21–40% of the cases of infectious diarrhea in developed countries. [29]
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.
Some of the symptoms include stomach cramps, nausea, vomiting, diarrhea, and fever. [8] Food-borne illness becomes more dangerous in certain populations, such as people with weakened immune systems, young children, the elderly, and pregnant women. [8] In Canada, there are approximately 4 million cases of food-borne disease per year. [9]
Depending on the cause of the inflammation, symptoms may last from one day to more than a week. Gastroenteritis caused by viruses may last one to two days. Most people recover easily from a short episode of vomiting and diarrhea by drinking clear fluids to replace the fluid that was lost and then gradually progressing to a normal diet.
The norovirus, aka the "stomach flu," is continuing to circulate, causing more cases in the U.S. Here's what to know about symptoms, transmission and treatment.
The winter stomach bug is back. Norovirus, a contagious virus that causes vomiting and diarrhea, has been surging in the Northeast over the past few weeks.