Symptoms Of Flu 2024 Nhs. According to the nhs, flu symptoms come on very quickly and can include: Last week hospitals contended with 3 days of industrial action by junior doctors with 86,329 appointments and operations having to be rescheduled.

Symptoms of the flu typically last anywhere from three to seven days, thought you might feel lingering fatigue or weakness for up to two weeks. Older people and those with certain health.