Influenza (flu) - Symptoms and causes - Mayo Clinic
WebJan 10, 2024 · Overview. 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 is commonly called the flu, but it's different from the stomach "flu" …
Influenza (Flu) | CDC
WebMay 8, 2024 · Prevention. Symptoms & Diagnosis. Flu can cause mild to severe illness. Learn the symptoms of flu. Symptoms. Treatment. Prescription medications called antiviral drugs can be used to treat flu. Treatment. Flu Activity & Surveillance. Read this week's FluView report for the latest information on flu activity. Activity.
Flu (Influenza): Causes, Symptoms, Types & Treatment - Cleveland Clinic
WebOct 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 …
Key Facts About Influenza (Flu) | CDC
WebMar 22, 2024 · What is Influenza (Flu)? Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. It can cause mild to severe illness, and at times can lead to death. The best way to prevent flu is by getting a flu vaccine each year.
Influenza - Wikipedia
WebInfluenza, 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 ...
Influenza (Seasonal) - World Health Organization (WHO)
WebOct 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 - National Institute of Allergy and Infectious Diseases …
WebSeasonal influenza, or flu, is a highly contagious respiratory illness caused by influenza viruses that infect the nose, throat and lungs. The two main types of influenza viruses—types A and B—are the viruses that typically spread in people (human influenza viruses) and cause annual flu outbreaks.
Influenza (flu) - Diagnosis and treatment - Mayo Clinic
WebJan 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.
Influenza - Infectious Diseases - MSD Manual Professional Edition
WebKey Points. Influenza is a viral respiratory infection causing fever, coryza, cough, headache, and malaise.
Influenza (seasonal) - World Health Organization (WHO)
WebMar 30, 2024 · Overview. More. Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. It represents a year-round disease burden. It causes illnesses that range in severity and sometimes lead to hospitalization and death.
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