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 (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.
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. Flu Symptoms.
Flu (Influenza): Causes, Symptoms, Types & Treatment - Cleveland Clinic
WebThe 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)
WebOverview. 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 - Infectious Diseases - MSD Manual Professional Edition
WebKey Points. Influenza is a viral respiratory infection causing fever, coryza, cough, headache, and malaise.
Influenza (flu) - Diagnosis and treatment - Mayo Clinic
WebJan 10, 2024 · Treatment. Usually, you'll need nothing more than rest and plenty of fluids to treat the flu. But if you have a severe infection or are at higher risk of complications, your healthcare professional may prescribe an antiviral medicine to treat the flu. These medicines can include oseltamivir (Tamiflu), baloxavir (Xofluza) and zanamivir (Relenza).
Influenza | Definition, Symptoms, Treatment, & Prevention
WebMay 16, 2024 · influenza, an acute viral infection of the upper or lower respiratory tract that is marked by fever, chills, and a generalized feeling of weakness and pain in the muscles, together with varying degrees of soreness in the head and abdomen. Classification of influenza viruses.
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