how long does it take for you to get the flu from someone else?
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When Flu Spreads Symptoms can begin about 2 days (but can range from 1 to 4 days) after the virus enters the body. That means that you may be able to pass on the flu to someone else before you know you are sick, as well as while you are sick. Some people can be infected with the flu virus but have no symptoms.
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Period of Contagiousness People with flu are most contagious in the first 3-4 days after their illness begins. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.
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When Flu Spreads People with flu are most contagious in the first three to four days after their illness begins. Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.
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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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Symptoms like sore throat, fever, headache, muscle aches, congestion, and cough tend to come on suddenly. Colds are usually less intense and include a runny or stuffy nose. The flu gets better over 2 to 5 days, but you might feel run-down for a week or longer.
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Pittman notes individuals with the flu can be contagious for up to three weeks after the onset of symptoms. “In many cases, just because you or your children are fever free and can return to work or school does not mean you are no longer contagious.
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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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Although fever and the most severe symptoms typically resolve within a week, some people have low energy for up to 2 weeks, and it is possible to experience a cough for up to 8 weeks. The flu shot reduces the risk of getting the flu but does not eliminate it.
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The average incubation period for the flu is two days . This means that, on average, people start to develop flu symptoms about two days after coming into contact with the influenza virus. Several things can influence how long the incubation period is for the flu, including: Infectious dose.
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How long does it take to develop symptoms of influenza after being exposed? The incubation period of influenza is usually two days but can range from one to four days.
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While colds and their symptoms don't often result in serious health problems, the flu can. Most people will get better within a few days to less than two weeks. For others, the flu can create life-threatening complications including pneumonia.
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As harsh as the flu can be, the good news is that most people feel much better within one to two weeks. Most healthy adults become contagious the day before symptoms develop (which makes it trickier to prevent from spreading). They remain infectious for up to five to seven days after symptoms appear.
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An infected person can spread the flu for five to seven days after becoming infected. The infectious period can begin 24 hours before the onset of symptoms. This means you can spread the flu without even knowing you're sick.
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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?
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Adults are most contagious with the flu from 24 hours before symptoms start to three to five days afterward. Children can spread the virus for longer—up to 10 days, and sometimes even beyond that. People who have serious immune system problems can spread influenza for weeks, or even months, after they get it.
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Uncomplicated influenza signs and symptoms typically resolve after 3-7 days for the majority of people, although cough and malaise can persist for >2 weeks, especially in elderly people and those with chronic lung disease.
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It's to protect you from the severity of the infection. If you get the flu without a shot, you'll have symptoms for 5 to 14 days. If you get the flu shot and still contract the flu, the flu shot will shorten the duration of that infection so you're only ill a fraction of the time.