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. The flu is caused by the influenza virus. Norovirus causes acute gastroenteritis, an inflammation of the stomach or intestines.
Norovirus Outbreaks | Norovirus | CDC - Centers for Disease …
Dec 18, 2024 · Norovirus is the most frequent (over 90%) cause of outbreaks of diarrheal disease on cruise ships. These outbreaks often get media attention, which is why some people call norovirus the "cruise ship virus."
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.
How to Prevent Norovirus | Norovirus | CDC - Centers for Disease ...
Nov 1, 2024 · 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.
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.
Norovirus Prevention and Control Guidelines for Healthcare Settings
Apr 12, 2024 · Guideline for the Prevention and Control of Norovirus Gastroenteritis Outbreaks in Healthcare Settin
Responding to Norovirus Outbreaks - CDC
CDC helps investigate and control norovirus outbreaks by: Providing epidemiologic consultation and tools. Testing specimens and genotyping those samples that test positive for norovirus.
Updated Norovirus Outbreak Management and Disease …
Mar 4, 2011 · Noroviruses are a group of nonenveloped, single-stranded RNA viruses classified into the genus Norovirus (previously referred to as Norwalk-like viruses [NLVs] or small round-structured viruses [SRSVs]) of the family Caliciviridae.