Influenza (Flu) | CDC Flu is a contagious respiratory illness that infect the nose, throat, and sometimes the lungs Learn about the current flu season and find resources related to flu surveillance and past seasons Learn more about who is at higher risk of developing potentially serious flu complications
Influenza - Wikipedia Influenza A virus and influenza B virus circulate in humans and cause seasonal epidemics, and influenza C virus causes a mild infection, primarily in children Influenza D virus can infect humans but is not known to cause illness
Influenza (flu) - Symptoms and causes - Mayo Clinic Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system The flu is caused by a virus Influenza viruses are different from the "stomach flu" viruses that cause diarrhea and vomiting Most people with the flu get better on their own
About Influenza | Influenza (Flu) | CDC Flu can cause mild to severe illness Some people are at higher risk for more serious flu illness Getting a flu vaccine has been shown to reduce the risk of flu and serious flu complications Flu is a contagious respiratory illness caused by influenza viruses that infect tissues in the nose, throat, and sometimes the lungs
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) 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
Influenza | Definition, Symptoms, Treatment, Prevention | Britannica Influenza is an acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise Seasonal influenza (the flu) is a major global health concern, causing annual epidemics with millions of severe cases and hundreds of thousands of deaths
Flu (Influenza) - NFID Influenza, commonly called flu, is a disease caused by a group of viruses that infect the nose, throat, and lungs Many people have mild symptoms and recover in a few days to two weeks, but flu can be serious or even fatal Even healthy children and adults can get very sick from flu
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