how long does it take to start showing symptoms of the flu?
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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.
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The first signs of illness can appear from 3 to over 25 days after a person becomes infected. The infection can last for months if untreated.
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If you have the flu, you'll be contagious one day before developing symptoms and up to five to seven days after becoming ill. Younger children or people with a weakened immune system may be contagious for longer. The influenza virus can also survive on surfaces, such as doorknobs and tables, for up to 24 hours.
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How Long Does the Flu Last? Fever and other flu symptoms often go away after 5 days or so, but kids may still have a cough or feel weak. Children's symptoms are usually all gone in a week or two.
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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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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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The incubation period is fairly short, between 1 and 5 days and infected persons can transmit influenza 1-2 days before they have symptoms to 4-5 days after the onset of symptoms. The influenza season in the U.S. usually occurs between December and March.
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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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Symptoms of the flu typically last two weeks, though they can go on for longer.
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Going from mild to severe According to the Centers for Disease Control and Prevention (CDC), symptoms can appear 2 to 14 days after exposure to the virus. These symptoms can include: fever.
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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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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.
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Flu is usually most infectious from the day your symptoms start and for a further 3 to 7 days. Children and people with lowered immune systems may be infectious for a few days longer.
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They usually start within two to four days, and last just a week or two. 3﻿ Symptoms include: Flu-like symptoms: such as fatigue, sweating, achiness, headache, and feeling sluggish. Insomnia: which may be accompanied by nightmares or vivid dreams.
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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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Symptoms of HIV can vary between individuals however the first signs of infection generally appear within the first 1-2 months. Many, but not all, people will experience severe flu-like symptoms which is your body's natural response to the virus.
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In general, healthy people usually get over a cold in seven to 10 days. Flu symptoms, including fever, should go away after about five days, but you may still have a cough and feel weak a few days longer. All your symptoms should be gone within one to two weeks.