how long before symptoms are you contagious with stomach bug?
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Norovirus. 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. Although you typically feel better after a day or two, you're contagious for a few days after you recover.
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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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Symptoms come on quickly, in as little as 30 minutes, and include vomiting, cramps, and diarrhea. They come on so quickly because they're caused by a pre-formed toxin rather than the bacteria, which also is why the condition is not contagious. The illness usually runs its course in one to three days.
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How long will I be contagious due to bronchitis? It depends on the type of virus that you have. In most cases, you'll be contagious for a few days, and possibly as long as a week.
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You are most contagious in the 3 to 4 days after you start to feel sick, but you remain contagious as long as you have symptoms. Usually this is about a week, but it could be a few days more for children or people with weak immune systems. You can also pass it on a day or so before you start feeling sick.
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It also usually takes three to six days after exposure to the virus before your child starts showing symptoms. “Children are usually considered contagious two days before the rash appears and until two days after the rash goes away,” Dr.
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A cough or a fever aren't the only indications of being contagious. You're contagious before you have symptoms — during the incubation period, when the virus enters your system. And just because you feel better doesn't mean those around you are safe.
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stomach flu “Stomach bug” and “stomach flu” are both terms for viral gastroenteritis. People typically develop stomach bug symptoms within 24 to 72 hours of being exposed to the virus. Many cases of the stomach bug resolve within a couple of days. However, it's not uncommon to feel sick for as many as 10 days.
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If you have fifth disease, you will be contagious, which means you can spead the disease to others, for about 7 to 10 days before the rash appears.
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You are most contagious while you still have blisters and mouth ulcers – which is usually for up to seven to 10 days. But you can continue to pass the virus in your faeces for several weeks, so you may still be mildly infectious during this time.
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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. Rotavirus.
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How long does it take for flu symptoms to show up? 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.
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Swine flu is contagious about one day before symptoms develop to about five to seven days after symptoms develop; some patients may be contagious for a longer time span. The disease lasts about three to seven days with more serious infections lasting about nine to 10 days.
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You are most contagious soon after you are infected. Adults who are otherwise healthy are no longer contagious two weeks after the illness begins. Children and people with weak immune systems may be contagious for up to six months.
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How soon do symptoms appear? Symptoms of influenza usually appear 1-4 days after exposure. How long can a person spread influenza? Persons are most contagious during the 24 hours before symptoms appear and may be contagious for up to 5 -7 days after getting sick.
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Symptoms of rotavirus — the leading cause of viral gastroenteritis in infants and young children — usually appear one to three days after exposure. But you're contagious even before you develop symptoms, and up to two weeks after you've recovered.
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This is called the incubation period. Once your symptoms do appear, they may last for two to four weeks. You can pass the virus to other people through your saliva for up to three months after your symptoms subside. Some studies have reported that you may still be contagious for up to 18 months.