Influenza (Flu) | CDC Signs and Symptoms Learn about identifying flu symptoms, how the diagnosis works, common complications, and more
Influenza (flu) - Symptoms and causes - Mayo Clinic An immune system that doesn't quickly clear out flu virus may raise the risk of getting the flu or getting flu complications People may have a weakened immune system response from birth, due to illness, or due to disease treatment or medicine
Flu (Influenza): Causes, Symptoms, Types Treatment What is the flu (influenza)? The flu is an illness you get from the influenza virus It causes symptoms like head and body aches, sore throat, fever and respiratory symptoms, which can be severe Flu is most common in winter months, when many people can get sick at once (an epidemic)
Influenza (seasonal) - World Health Organization (WHO) Overview Seasonal influenza (the flu) is an acute respiratory infection caused by influenza viruses It is common in all parts of the world Most people recover without treatment Influenza spreads easily between people when they cough or sneeze Vaccination is the best way to prevent the disease
Flu | Flu Symptoms | Stomach Flu | Influenza | MedlinePlus What causes the flu? The flu is caused by flu viruses that spread from person to person When someone with the flu coughs, sneezes, or talks, they spray tiny droplets These droplets can land in the mouths or noses of people who are nearby
Influenza (Flu): Symptoms, Treatment, and More - Health The flu causes inflammation of the upper respiratory tract Flu viruses spread through tiny respiratory droplets that escape a person's mouth or nose when they sneeze, cough, talk, or laugh
Learn About Flu - American Lung Association Influenza (flu), also referred to as seasonal flu, is a highly contagious respiratory illness caused by influenza viruses Anyone can get the flu as it is spread easily from person to person, usually when an infected person coughs or sneezes