flu duration
Duration of Flu Symptoms. The duration of flu symptoms will vary from person to person. One of the main reasons is because the strength of the immune system varies from one person to another. Some people are able to get over the flu and shorten the duration of flu symptoms much faster than others. However, seasonal flu will usually last at least a few days after it has been contracted. Duration of flu symptoms may be longer than a few days, and can extend up to 14 days. It is important to note what flu symptoms are, so that everyone can take the appropriate steps at the onset of these symptoms.