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 during the few days after you feel better.

2022年3月4日 · Norovirus infection can cause severe vomiting and diarrhea that start suddenly. Noroviruses are highly contagious. They commonly spread through food or water that is contaminated during preparation or through contaminated surfaces.

2024年3月7日 · With norovirus, you can be contagious before you feel ill. Symptoms usually appear within 1 to 2 days being exposed to the virus. Most people with norovirus feel better a day or two after their symptoms begin. But they're contagious for a few days after they recover. The virus can stay in the stool for two weeks or more after recovery.

2025年1月16日 · 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 — and how to stay safe.

2024年4月24日 · Norovirus is very contagious, but you can take steps to protect yourself and others, including: Wash your hands well and often. Cook shellfish thoroughly and wash fruits and vegetables. Clean and disinfect contaminated surfaces. Wash laundry in hot water. Stay home when sick for 2 days (48 hours) after symptoms stop.

2 天之前 · A person usually develops symptoms 12 to 48 hours after being exposed to norovirus. Most people with norovirus get better within 1 to 3 days. How contagious is norovirus? Norovirus is highly contagious and can spread quickly. People with norovirus can release billions of tiny virus particles when they are sick.

Learn about current norovirus outbreaks and alert and common settings where outbreaks occur. Find info on norovirus symptoms, causes, prevention, current outbreaks, and reporting systems.

Is norovirus contagious? Yes, norovirus is highly contagious, which means it spreads easily. If you have the virus, your body sheds (releases) billions of tiny virus particles that can make others ill, too.

2025年1月27日 · Norovirus is highly contagious and fast-spreading, meaning it easily moves through households, schools and public spaces. While most cases of norovirus resolve on their own, it’s important to understand the signs, duration and when to seek medical care.

2025年1月24日 · What doctors wish patients knew about the contagious norovirus Often wrongly called the “stomach flu,” norovirus sickens tens of millions of Americans annually. Two physicians explain how to prevent and treat it.