Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. 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.

General Overview

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Key Points

Getting vaccinated every year is the best way to avoid getting sick with the flu. The flu, common cold and COVID-19 have similar symptoms. The flu and COVID-19 can be severe, but colds rarely are. What is the flu (influenza)? The flu is an illness you get from the influenza virus. Learn about identifying flu symptoms, how the diagnosis works, common complications, and more. NHS information about flu, including symptoms, how to treat it yourself and when to get help. The flu, also called influenza, is a respiratory infection caused by viruses. For further details regarding this matter, you may consult our report on Kaiser Perm Jobs offers a detailed breakdown on this subject. The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. Sometimes it causes mild illness. But it can also be serious or even deadly, especially for people over 65, newborn babies, and people with certain chronic illnesses.

Topic Outline

The flu is an illness you get from the influenza virus. Learn about identifying flu symptoms, how the diagnosis works, common complications, and more. NHS information about flu, including symptoms, how to treat it yourself and when to get help. The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. Sometimes it causes mild illness. But it can also be serious or even deadly, especially for people over 65, newborn babies, and people with certain chronic illnesses. What causes the flu?

What is the flu (influenza)? The flu is an illness you get from the influenza virus. Learn about identifying flu symptoms, how the diagnosis works, common complications, and more. NHS information about flu, including symptoms, how to treat it yourself and when to get help. The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu.