Oct 21, 2024 · Explore the complexities of norovirus, including its structure, transmission, immune response, and detection methods. Norovirus is a highly contagious virus responsible for causing acute gastroenteritis, often referred to as the “stomach flu.”

4 days ago · Although norovirus is often referred to as the stomach ‘flu,’ it is different from influenza and cannot be prevented by the annual flu shot. In the U.S., norovirus is the leading cause of stomach flu, with about 19 to 21 million cases reported annually, according to the Centers for Disease Control and Prevention (CDC).

Jan 18, 2022 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated food or water.

Jun 12, 2023 · Viral gastroenteritis commonly causes nausea, vomiting, diarrhea, anorexia, weight loss, and dehydration. Isolated cases can occur, but viral gastroenteritis more commonly occurs in outbreaks within close communities such as daycare centers, nursing facilities, and cruise ships.

Viral gastroenteritis is an infection of the intestines, not the stomach, and it is not caused by influenza (flu) viruses. The flu vaccine does not protect against viral gastroenteritis. Viral gastroenteritis is acute, meaning it happens suddenly and lasts a short time.

Apr 21, 2024 · Infected individuals exhibit fever, vomiting, and diarrhea. The virus can survive in the stomach following a meal, but is normally found in the small intestines, particularly the epithelial cells on the villi. Infection can cause food intolerance, especially with respect to lactose.

Stomach flu is actually viral gastroenteritis, a viral infection in your digestive system. It causes gastrointestinal symptoms, like stomach pain, diarrhea, nausea and vomiting.

Dec 17, 2015 · Viral gastroenteritis ranges from a self-limited watery diarrheal illness (usually < 1 wk) associated with symptoms of nausea, vomiting, anorexia, malaise, or fever, to severe dehydration...

May 25, 2023 · Viral gastroenteritis spreads through contact with small particles of an infected person’s stool or vomit. Doctors often diagnose viral gastroenteritis based on your symptoms. If your symptoms are mild and last only a short time, you typically won’t need tests.

Gastroenteritis is an irritation and inflammation of the stomach lining and intestines that causes vomiting and/or diarrhea. In most cases, it is caused by a virus (in the U.S., usually a member of the norovirus family). Bacteria, toxins, and parasites also can cause gastroenteritis.