when during the flu are you contagious?
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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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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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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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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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People with HFMD are most contagious during the first week of their illness. However, they may sometimes remain contagious for weeks after symptoms go away. Some people, especially adults, may not develop any symptoms, but they can still spread the viruses to others.
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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. In fact, you're still contagious after symptoms subside, carrying a bacterial or viral infection that can spread to others.
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How long am I contagious after the flu? After I take Tamiflu? The Centers for Disease Control and Prevention (CDC) recommends people with the flu to stay home until 24 hours after they are fever free without the use of a fever-reducing medication.
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The flu is “a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs,” according to the CDC, which says as many as 11% of Americans get it each season. It says symptoms include some or all of the following: Fever. Cough and sore throat.
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You can be contagious from a few days up to two weeks or more, depending on which virus is causing your stomach flu (gastroenteritis). A number of viruses can cause gastroenteritis, including noroviruses and rotaviruses.
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The flu is an extremely contagious upper respiratory illness caused by influenza A and B viruses. Symptoms include a fever, runny nose, chills, fatigue, and body aches. In severe cases, the flu can lead to viral or bacterial pneumonia or sepsis, which is a life-threatening complication of an infection.
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Generally, you are most contagious, or at the highest level of transmitting the cold virus, during the first one to three days of your cold or of having symptoms. Some transmission risk still remains on the fourth and fifth days, and by the sixth and seventh days there is virtually no risk.
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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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Call Doctor or Seek Care Now. Close Contact (exposure) with flu (influenza) within last 72 hours (3 days) and you are at High Risk of problems from the flu. See High Risk list; such as age more than 64, pregnant, chronic illness.
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Person to Person People with flu can spread it to others up to about 6 feet away. Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.
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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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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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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.