how long does it take for flu to show symptoms?
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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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Dr. Clements: When you get infected with the flu virus, it multiplies quietly in body until you get symptoms of the disease and start excreting enough virus to give to someone else. That's the incubation period. For the flu, it is about two to five days.
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While the general incubation period for the flu is usually between one and four days, this period can vary from person to person. 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.
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Symptoms. Symptoms of a common cold usually appear one to three days after exposure to a cold-causing virus.
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A bout of the flu typically follows this pattern: Days 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose. Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable.
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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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But they may not know that they have the virus at first. That's because it takes a while from the time someone gets infected to the time symptoms of mono (like tiredness, fever, muscle aches, headache, or sore throat) show up — about 4 to 7 weeks in fact. This is called the incubation period.
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Symptoms usually begin 1 or 2 days after ingesting the virus, but may appear as early as 12 hours after exposure. The illness typically comes on suddenly. The infected person may feel very sick and vomit often, sometimes without warning, many times a day.
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Symptoms usually appear from one to four days after exposure to the virus, and they last five to seven days. For people who've had a flu shot, the symptoms may last a shorter amount of time, or be less severe.
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Symptoms usually appear from one to four days after exposure to the virus, and they last five to seven days. For people who've had a flu shot, the symptoms may last a shorter amount of time, or be less severe. For other people, the symptoms may last longer. Even when symptoms resolve, you may continue to feel fatigued.
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The incubation period of influenza is usually two days but can range from one to four days. What are the symptoms of influenza? Typical influenza disease is characterized by sudden onset of fever, aching muscles, sore throat, and non- productive cough.
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Flu symptoms typically last about a week, but the most severe symptoms only occur for two to three days (though it might feel like an eternity). You might continue to experience fatigue, weakness, and a cough for another week after you recover.
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“Stomach flu symptoms include stomach pain, nausea, vomiting and diarrhea,” Miller says. “A low-grade fever, chills and muscle aches aren't uncommon to experience as well. Symptoms can start as little as 12 hours after exposure.”
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It takes about two weeks for the flu shot to take full effect. If you're exposed to the influenza virus shortly before or during that time period, you might catch the flu.
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Symptoms usually start within 1 to 4 days of close contact with another person with flu. Seven days is an outer limit. Since 7 days have passed, you should be safe and not get the flu from this exposure.
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The first outbreak may last from 2–4 weeks in total. O Flu-like symptoms usually last for about a week. O Individual sores take around 5–10 days to heal. Once the sores start healing they're less painful.
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It may take one to four days after exposure to the influenza virus for symptoms to develop. If you have the flu, you'll be contagious one day before developing symptoms and up to five to seven days after becoming ill.