Download and share norovirus prevention resources and graphics for different channels. Learn about norovirus in the United States and globally, disease impact, and data trends. Learn about lab testing and diagnostic methods for norovirus. Compare differences across the CDC systems used for reporting norovirus outbreaks.

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.

May 8, 2024 · CDC works with many global partners to identify the burden of acute gastroenteritis caused by norovirus and to prevent norovirus outbreaks. Learn about norovirus in the United States and globally, disease impact, and data trends.

The most common diagnostic test used at state public health laboratories and at the Centers for Disease Control and Prevention (CDC) is real-time reverse-transcription quantitative PCR (RT-qPCR), which rapidly and reliably detects the virus in stool specimens.

Jan 8, 2025 · Data from the Centers for Disease Control and Prevention show cases of norovirus, the highly contagious stomach bug, are surging in the U.S.

Jan 21, 2025 · There were 91 suspected or confirmed norovirus outbreaks reported in the United States in the first week of December, according to the Centers for Disease Control and Prevention (CDC), exceeding the number of outbreaks during the same week in any year since 2012. No one can say for sure why norovirus is spiking even higher now.

Healthcare facilities managing outbreaks of norovirus gastroenteritis may experience significant costs relating to isolation precautions and personal protective equipment, ward closures, supplemental environmental cleaning, staf cohorting or replacement, and sick time.

[Announcer] This program is presented by the Centers for Disease Control and Prevention. Norovirus is a very contagious virus that can make you sick with severe diarrhea and vomiting. Luckily, there are a few simple things you can do to protect yourself and your family.

Nov 3, 2023 · We detected a novel GII.4 variant with an amino acid insertion at the start of epitope A in viral protein 1 of noroviruses from the United States, Gabon, South Africa, and the United Kingdom collected during 2017–2022. Early identification of GII.4 variants is crucial for assessing pandemic potential and informing vaccine development.

May 7, 2020 · We estimated R 0 and R e for thousands of norovirus outbreaks in the United States. We evaluated whether R 0 was associated with setting, season, year, or geographic region. In addition, we assessed whether norovirus was suspected or …