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“Norovirus is a highly contagious virus that causes inflammation of the stomach and intestines, leading to a condition called acute gastroenteritis," says Erica Chung, MD, assistant professor of ...
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.
Norovirus infection cannot be treated with antibiotics because it is a virus. Treatments aim to avoid complications by measures such as the management of dehydration caused by fluid loss in vomiting and diarrhea, [ 5 ] and to mitigate symptoms using antiemetics and antidiarrheals .
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.
Signs and symptoms usually begin 12–72 hours after contracting the infectious agent. [15] If due to a virus, the condition usually resolves within one week. [18] Some viral infections also involve fever, fatigue, headache and muscle pain. [18] If the stool is bloody, the cause is less likely to be viral [18] and more likely to be bacterial. [19]
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.
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.