how long are you contagious after vomiting bug?
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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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“You could feel perfect and still be shedding virus,” says Doomun. “But you can significantly reduce the risk of being contagious by waiting to return until you've gone 24 to 36 hours without a fever with no medicines on board.
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Diarrhea, stomach pain and vomiting typically begin 12 to 48 hours after exposure. Norovirus symptoms usually last one to three days, and most people recover completely without treatment.
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After initial (first) exposure, a person will usually get the stomach flu within 12-48 hours.
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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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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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Children are typically contagious for 3 to 8 days. A child can return to daycare when he/she is fever free for 24 hours without fever reducers (such as Tylenol / Motrin) and no longer wheezing.
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You're contagious from about 6 days after the start of cold-like symptoms to 3 weeks after the coughing starts. If you start antibiotics within 3 weeks of starting to cough, it will reduce the time you're contagious for.
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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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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.
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The contagious period If you're treated with antibiotics, you'll remain contagious until you've been on antibiotics for at least 24 hours. If you don't seek treatment, you'll remain contagious for 2 to 3 weeks after contracting the infection.
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What is the contagious period for an enterovirus infection? In general, individuals are contagious about three days after exposure to the virus and remain contagious until about 10 days after they develop symptoms.
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Infection can occur at any point between 6 to 24 hours after exposure but usually happens within 8 to 12 hours. Symptoms include diarrhea and abdominal pain. Most people do not experience fever or vomiting. Symptoms often begin suddenly and stop within 24 hours.
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Transmission. Gastroenteritis is a contagious illness. An infected person can transmit the illness as long they have symptoms and up to 2 weeks after they have disappeared. He or she can be contagious even a few weeks after symptoms have subsided.
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Vomiting is typically short-lived. But, if your child vomits and is feeling unwell, it's best to keep him home until 24 hours after vomiting stops. See a doctor if vomiting lasts more than 24 hours, is accompanied by fever of 102 degrees Fahrenheit or higher, or if your child shows signs of dehydration.
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Many people believe cold sores are no longer contagious once they've scabbed over, but this isn't true. You are most contagious for two weeks after the cold sore initially appears, but because the virus lives in the body forever, it is always transmittable to others.
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You should be able to start eating a more regular diet, including fruits and vegetables, within about 24 to 48 hours after vomiting or having diarrhea.