Influenza (flu) - Symptoms and causes - Mayo Clinic
Jan 7, 2025 · 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 …
Influenza (Flu) | Influenza (Flu) | CDC - Centers for Disease …
Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Learn about flu, including symptoms, prevention methods, and treatment options.
Flu (Influenza): Causes, Symptoms, Types & Treatment
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).
About Influenza | Influenza (Flu) | CDC - Centers for Disease …
Aug 13, 2024 · 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.
Signs and Symptoms of Flu | Influenza (Flu) | CDC
Aug 26, 2024 · 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.
Influenza - National Institute of Allergy and Infectious Diseases …
Seasonal 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 (Seasonal) - World Health Organization (WHO)
Oct 3, 2023 · 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.
What Is the Flu? Difference Between Flu, Stomach Flu, Cold, and ... - WebMD
Mar 15, 2024 · Influenza, commonly known as the "flu," is an extremely contagious respiratory illness caused by influenza A or B viruses. Flu appears most frequently in winter and early spring.
Different Types of Flu: Influenza A, B, C and more - WebMD
Sep 9, 2023 · There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high...
What to know about 'quad-demic' of COVID, flu, RSV and …
1 day ago · As of the week ending Jan. 4, 18.6% of tests for influenza are returning positive, as are 11.6% of RSV tests and 6.9% of COVID tests. MORE: Norovirus cases on the rise in the US. What you need to know