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

Apr 24, 2024 · Norovirus is a very contagious virus that causes vomiting and diarrhea. It is sometimes called the "stomach flu" or the "stomach bug." However, norovirus illness is not related to the flu. The flu is caused by the influenza virus. Norovirus causes acute gastroenteritis, an inflammation of the stomach or intestines.

Jan 2, 2025 · CDC works closely with our federal regulatory partners on norovirus outbreak investigations. The following are current food safety advisories or product recalls. Shellfish potentially contaminated with norovirus:

May 8, 2024 · Norovirus is the leading cause of vomiting and diarrhea from acute gastroenteritis among people of all ages in the United States. Each year, there are about 2,500 reported norovirus outbreaks in the United States. Norovirus causes 58% of foodborne illnesses acquired in the United States.

Jan 13, 2025 · Norovirus is very contagious, but you can take steps to stop it from spreading. Wash hands well with soap and water; hand sanitizer alone does not work well against norovirus. Do not prepare, handle food, or care for others when you are sick.

Apr 24, 2024 · Norovirus is very contagious; it spreads very easily and quickly. You can get norovirus from sick people and through contaminated food, water, or surfaces. You are most contagious when you have symptoms of norovirus illness or …

Norovirus infections can occur year round, but in temperate climates, activity peaks during the winter. Noroviruses are common in low-, middle-, and high-income countries. Globally, norovirus causes ≈18% of acute gastroenteritis cases and could be …

If norovirus infection is suspected, adherence to PPE use according to Contact and Standard Precautions is recommended for individuals entering the patient care area (i.e., gowns and gloves upon entry).

Encuentre información sobre los síntomas, causas, prevención, brotes actuales y sistemas de notificación de los norovirus.

Jun 3, 2024 · CaliciNet is a national norovirus outbreak surveillance network of public health laboratories in the United States, coordinated by CDC. The database helps CDC better understand noroviruses and develop interventions to prevent them from spreading.