Influenza (flu) - Symptoms and causes - Mayo Clinic
2025年1月7日 · 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 …
Flu (Influenza): Causes, Symptoms, Types & Treatment
2022年10月11日 · What is the flu (influenza)? 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). Cleveland Clinic is a non-profit academic medical center.
Do I Have The Flu? Flu Symptoms, Treatments, and Prevention.
It's a super-contagious virus that can make you feel miserable. Doctors call it influenza. Its symptoms are usually more serious than the sneezes and stuffy nose that you tend to get from a...
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.
Signs and Symptoms of Flu | Influenza (Flu) | CDC
2024年8月26日 · Learn about identifying flu symptoms, how the diagnosis works, common complications, and more.
Flu: What To Do If You Get Sick | Influenza (Flu) | CDC
2024年8月30日 · Most people with flu have mild illness and do not need medical care or antiviral drugs. If you get sick with flu symptoms, in most cases, you should stay home and avoid contact with other people except to get medical care.
Flu | Flu Symptoms | Stomach Flu | Influenza - MedlinePlus
2024年2月28日 · 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?
Influenza - National Institute of Allergy and Infectious Diseases …
2024年12月31日 · 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 viruses) and cause annual flu outbreaks.
Influenza A vs. Influenza B - Cleveland Clinic Health Essentials
5 天之前 · For example, influenza A usually accounts for more flu cases and causes more severe illness than type B flu. For example, flu A accounted for 96% of flu cases reported in late 2024.
Flu activity is high and expected to remain so for several ... - NBC …
2025年1月13日 · The flu vaccine is updated every year to match the latest strain of flu that’s circulating, and, in general, reduces the risk of illness by around 40% and hospitalization by 60%.