Norovirus | Norovirus | CDC - Centers for Disease Control and …
Find info on norovirus symptoms, causes, prevention, current outbreaks, and reporting systems.
About Norovirus | Norovirus | CDC - Centers for Disease Control …
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.
Norovirus Outbreaks | Norovirus | CDC - Centers for Disease …
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:
How to Prevent Norovirus | Norovirus | CDC - Centers for Disease ...
3 days ago · 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.
How Norovirus Spreads | Norovirus | CDC - Centers for Disease …
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 Facts and Stats | Norovirus | CDC - Centers for Disease ...
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.
CaliciNet Surveillance Network | Norovirus | CDC
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.
NoroSTAT Data | Norovirus | CDC - Centers for Disease Control …
Sep 20, 2024 · Data on suspected and confirmed norovirus outbreaks reported to CDC by participating state health departments are updated monthly. NoroSTAT data is used to assess current and past norovirus activity and impact of future norovirus genotypes. NoroSTAT combines a subset of NORS and CaliciNet data.
Responding to Norovirus Outbreaks - CDC
May 1, 2024 · CDC helps investigate and control norovirus outbreaks by: Providing epidemiologic consultation and tools. Testing specimens and genotyping those samples that test positive for norovirus.
Laboratory Testing for Norovirus | Norovirus | CDC
Apr 24, 2024 · Diagnostic methods for norovirus testing focus on detecting viral RNA (genetic material) or viral antigen. RT-qPCR assays are the preferred diagnostic method to detect norovirus. EIA tests should not replace RT-qPCR during outbreak investigations; they are not recommended for testing single samples from sporadic cases.