Learn about current norovirus outbreaks and alert and common settings where outbreaks occur. Find info on norovirus symptoms, causes, prevention, current outbreaks, and reporting systems.

Mar 4, 2022 · Norovirus infection occurs most frequently in closed and crowded environments. Examples include hospitals, nursing homes, child care centers, schools and cruise ships. Signs and symptoms of norovirus infection may start suddenly and include:

Jan 8, 2025 · Cases of norovirus, a wretched and highly contagious stomach bug, are surging in parts of the United States this winter, according to government data.

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] .

Jan 24, 2025 · Knowing what to do—and how to prevent norovirus infection—is key. Commonly called the “stomach bug” or “stomach flu,” norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis, which is inflammation of the stomach and intestines.

Everything you’ve ever wanted to know about norovirus, aka “the winter vomiting bug.” Learn prevention, causes and treatment. Plus, find out why the term “stomach flu” is a misnomer.

Dec 31, 2024 · Noroviruses are usually more widespread in the fall and winter, but you can get sick from the virus any time of the year. The Centers for Disease Control and Prevention (CDC) says norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis in the U.S.

Find out about norovirus, including what the symptoms are, how you can treat it at home, how it's spread, and where to get medical help.

Sep 25, 2023 · Norovirus is the most common bug spread through food. People can get sick after they eat at restaurants where cooks or servers don’t wash their hands before they touch your food.

Feb 7, 2025 · Norovirus is thought to be the most common cause of acute gastroenteritis (inflammation of your stomach and intestines leading to diarrhea and vomiting) around the world. It spreads easily through...