norovirus symptoms how long are you contagious?
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People infected with a norovirus are contagious from the moment they begin feeling ill to at least three days after recovery. Some people may be contagious for as long as two weeks after recovery. Good hygiene practices, including frequent hand washing, are very important during this period.
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For colds, most individuals become contagious about a day before cold symptoms develop and remain contagious for about five to seven days. Some children may pass the flu viruses for longer than seven days (occasionally for two weeks).
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4﻿ General recommendations are that you can return to daily activities once you have been symptom-free for 24 hours, but you are actually still contagious for three days after you recover and could spread the virus for up to 2 weeks.
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Typically, you're contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick.
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Stomach flu caused by rotavirus is contagious during the incubation period (one to three days) that precedes symptoms. People infected with this virus continue to be contagious for up to two weeks after they've recovered.
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While the virus usually causes short-lasting outbreaks, it can be extremely infectious. The incubation period is usually around 24-48 hours but may be as short as six hours. What are the symptoms? The first symptoms are often abdominal pain and nausea.
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Typical time it takes for symptoms to show up once you've caught the virus is one to four days. Adults can be contagious from the day before symptoms begin through five to 10 days after the illness starts. From: What Are Your Odds of Getting the Flu? SOURCE: Centers for Disease Control.
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People with norovirus are infectious for at least 3 days after the symptoms stop and on some occasions for up to 2 weeks.
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For example, most common cause of stomach flu is Norovirus. It has an incubation period of about 12 - 48 hours, and can cause the person to be contagious during the incubation period and for as long as they shed virus (usually about three days after symptoms stop but sometimes up to two weeks).
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These illnesses have an incubation period of between two to six days. People typically start to become contagious in the hours preceding the initial onset of symptoms and remain contagious until the symptoms go away.
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About a week. Typically, you're contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick. The virus can be spread until symptoms disappear.
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How long can I spread it? About a week. Typically, you're contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick.
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Most people will be infectious for around 2 weeks. Symptoms are usually worse during the first 2 to 3 days, and this is when you're most likely to spread the virus.
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With norovirus — the most common cause of viral gastroenteritis in adults — you're contagious when you begin to feel ill. Symptoms usually appear within one to two days of exposure.
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Although you typically feel better after a day or two, you're contagious for a few days after you recover. The virus can remain in your stool for up to two weeks or more after recovery. Children should stay home from school or child care for at least 48 hours after the last time they vomit or have diarrhea.
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How long is it contagious? You are generally most contagious during the first week of illness. But, children with hand, foot, and mouth disease may shed the virus from the respiratory tract (nose, mouth and lungs) for 1-3 weeks and in the stool for weeks to months after the infection starts.
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Symptoms of norovirus illness usually begin about 24 to 48 hours after ingestion of the virus, but they can appear as early as 12 hours after exposure. How serious is norovirus infection? Norovirus infection is usually not serious, although people may feel very sick and vomit many times a day.