Last 5 days or longer.
Fever, chills, fatigue, body aches, sore throat, and headache are common symptoms of flu. Not everyone with flu will have a fever. The flu can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. Flu seasons are unpredictable and can be severe. Over a period of 30 years, between 1976 and 2006, estimates of flu-associated deaths in the United States range from a low of about 3,000 to a high of about 49,000 people. A Honor Society of Nursing (STTI) answered. The first symptoms of influenza type A, including fever, chills, headache, and body aches, often begin to go away after about 2 or 3 days. In some cases, these symptoms will last 5 days or longer. The respiratory symptoms of influenza type A, such as coughing, throat irritation, and congestion may last for days or weeks. However, most people are not contagious after about a week from the beginning of symptoms.  It usually takes 1 to 4 days to get symptoms of the flu after you have been around someone who has the virus. Most people get better without problems. But sometimes the flu can lead to a bacterial infection, such as an ear infection, a sinus infection, or bronchitis. The flu is caused by influenza viruses A and B. There are different strains of the flu virus every year. The flu causes a fever, body aches, a headache, a dry cough, and a sore or dry throat. You will probably feel tired and less hungry than usual. The symptoms usually are the worst for the first 3 or 4 day Flu symptoms are usually more severe than the symptoms of a common cold. Symptoms typically develop one day to seven days after exposure, and can last from a few days to two weeks. They may include any or all of the following: 1  Fever (usually 100°F or warmer, lasting for several days), often with chills.  Influenza, commonly known as the flu , is an infectious disease caused by the influenza virus. Symptoms can be mild to severe. The most common symptoms include: a high fever, runny nose, sore throat, muscle pains, headache, coughing, and feeling tired. These symptoms typically begin two days after exposure to the virus and most last less than a week. The cough, however, may last for more than two week Type C has been found in humans, pigs, and dogs and causes either a very mild illness, or has no symptoms at all. It does not cause epidemics and does not have the severe public health impact that influenza types A and B do. The typical incubation period for influenza is 1 to 4 days, with an average of 2 days. Adults can be infectious from the day before symptoms begin through approximately 5 days after illness onset. Children can be infectious for. 1 The incubation period of swine flu is one to 7 days. 2  People may be contagious from one day before they develop symptoms to up to 7 days after they get sick. 3  There are two influenza antiviral medications that are currently effective against H1N1 flu. Children may pass the virus for longer than 7 days. Symptoms start 1 to 4 days after the virus enters the body. Information about how long a person is contagious is available at How Flu Spreads. Flu seasons are unpredictable and can be severe. Over a period of 30 years, between 1976 and 2006, estimates of flu-associated deaths in the United States range from a low of about 3,000 to a high of about 49,000 people. A Honor Society of Nursing (STTI) answered. The first symptoms of influenza (flu) virus B, including fever, chills, headache, and body aches, often begin to go away after about 2 or 3 days. In some cases, these symptoms will last 5 days or longer. The respiratory symptoms of influenza virus B, such as coughing, throat irritation, and congestion may last for days or weeks. However, most people are not contagious after about a week from the beginning of symptoms.
http://www.cdc.gov/flu/about/qa/disease.htm https://www.sharecare.com/health/cold-and-flu/long-influenza-type-a-last http://www.webmd.com/cold-and-flu/tc/influenza-topic-overview http://www.onemedical.com/blog/newsworthy/flu-season-2013/ https://en.wikipedia.org/wiki/Flu http://bami.us/Influenza/InfluenzaAbout.html http://www.cdc.gov/flu/about/qa/disease.htm https://www.sharecare.com/health/cold-and-flu/long-influenza-virus-last
how long does type b influenza last