Search results
Oct 11, 2022 · 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, commonly known as "the flu" or just "flu", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about two to ...
- www.who.int
- › Newsroom
- › Fact sheets
- › Detail
Oct 3, 2023 · 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.
Influenza (also known as “flu”) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. This page provides resources about flu symptoms, complications, and diagnosis.
Influenza viruses infect the nose, throat, and lungs and produce symptoms that include sudden fever, extreme fatigue, coughing, chills, and muscle aches. Serious complications include pneumonia. Each year, flu causes millions of illnesses worldwide and kills many thousands.
- www.mayoclinic.org
- › …
- › Diseases & Conditions
Jan 10, 2024 · Your healthcare team may diagnose you based on your symptoms. In some cases, your healthcare professional may suggest that you be tested for influenza. There is a range of tests to diagnose flu. Polymerase chain reaction (PCR) testing is becoming more common in many hospitals and labs.
Key Points. Influenza is a viral respiratory infection causing fever, coryza, cough, headache, and malaise.
