Norovirus, also known as Norwalk virus and sometimes referred to as the winter vomiting disease, is the most common cause of gastroenteritis. [1] [6] Infection is characterized by non-bloody diarrhea, vomiting, and stomach pain. [2] [3] Fever or headaches may also occur. [2]

Mar 4, 2022 · Norovirus infection symptoms usually last 1 to 3 days. Most people recover completely without treatment. However, for some people — especially young children, older adults and people with other medical conditions — vomiting and diarrhea can be severely dehydrating and require medical attention.

Norovirus is a common and very contagious virus. It causes nausea, vomiting and diarrhea. Your symptoms may be similar to the stomach flu, but they have a different cause. Norovirus spreads easily through close contact or on contaminated food or surfaces. The illness runs its course in …

Norwalk virus causes viral gastroenteritis, which is also known as acute nonbacterial gastroenteritis, food poisoning, food infection, stomach flu, and winter vomiting disease. A Norwalk virus infection results in illness 24 to 48 hours after …

Find info on norovirus symptoms, causes, prevention, current outbreaks, and reporting systems.

Norovirus (also known as Norwalk virus) is the name of a group of viruses that can cause gastroenteritis (inflammation of the GI tract, commonly called stomach flu). Because it so often causes vomiting, norovirus is sometimes called the winter vomiting disease.

Mar 5, 2023 · Norovirus is thought to be the most common cause of acute gastroenteritis (diarrhea and vomiting illness) around the world. It spreads easily through food and drink and can have a big impact on...

Jan 19, 2025 · norovirus, (genus Norovirus), genus consisting of one species of virus, known as Norwalk virus (family Caliciviridae), that frequently gives rise to outbreaks of foodborne and waterborne gastroenteritis in humans.

What is norovirus infection? Noroviruses are a group of related viruses that cause acute gastrointestinal illness sporadically or in outbreaks. Noroviruses are sometimes referred to as "Norwalk virus" or "Norwalk-like virus," based on the name given to …

Aug 14, 2023 · Noroviruses are nonenveloped, positive-sense, single-stranded RNA viruses belonging to the Caliciviridae viral family. The virus was first identified and named “Norwalk virus” when it was discovered as the cause of a 1968 outbreak of gastroenteritis in Norwalk, Ohio. Norovirus is a common cause of acute gastrointestinal illness worldwide.