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  1. How Norovirus Spreads | Norovirus | CDC

    Apr 24, 2024 · 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 during the few …

  2. How to prevent (and recover from) norovirus, the stomach bug ...

    Jan 16, 2025 · Most commonly known as stomach flu, norovirus is a highly contagious virus that generally spreads hand to mouth 12 to 36 hours after exposure. Learn how norovirus is contracted …

  3. Norovirus: How Does It Spread? - Healthline

    Mar 26, 2025 · Norovirus causes vomiting and diarrhea. It can spread through food, water, and surfaces touched by someone who has the virus. It usually gets better in 1 to 3 days.

  4. Norovirus infection - Symptoms & causes - Mayo Clinic

    Apr 30, 2025 · This highly contagious virus spreads through contaminated food, water or surfaces and causes vomiting and diarrhea. Learn ways to protect yourself.

  5. Norovirus Is Back: What To Know About the Highly Contagious ...

    Feb 9, 2026 · Norovirus is a highly contagious stomach virus that spreads quickly in winter, causing sudden vomiting, diarrhea and stomach pain. Understanding how it spreads and how long it lasts can …

  6. How Is Norovirus Transmitted Between People? - Klarity Health ...

    Apr 24, 2025 · Norovirus is transmitted through viral particles carried through vomit and faecal matter, which can also be found in the hands of the infected if they remain unwashed.

  7. Norovirus: Symptoms, Prevention & Treatment Tips | Tufts Medicine

    Dec 26, 2025 · Norovirus can spread rapidly, but careful handwashing, cleaning and staying home when sick can significantly reduce transmission. If you have questions about symptoms or dehydration, …

  8. What is norovirus and how contagious is it? - The Guardian

    Dec 30, 2025 · How does norovirus spread? Norovirus is highly contagious. The virus typically enters the gastrointestinal tract via tiny viral particles from an infected person’s saliva or feces.

  9. Wash Your Hands What Patients and Parents Need to Know About ...

    Feb 10, 2026 · Here’s what patients and parents need to know. Norovirus is highly contagious Norovirus is very contagious. Most infections are transmitted by person-to-person contact, particularly through …

  10. Norovirus: How it spreads, treatment and prevention | BCM

    Jan 13, 2025 · Norovirus is contagious and is caused by eating or drinking contaminated food or water, touching contaminated surfaces and objects or being in close contact with someone who already has it.