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Influenza (Flu) | CDC
Learn about flu, including symptoms, prevention methods, and treatment options.
Influenza (flu) - Symptoms and causes - Mayo Clinic
Influenza viruses are constantly changing, with new strains appearing often. A person's first flu infection gives some long-term protection against similar strains of flu. But the vaccines offered each year are made to match the flu virus strains that are most likely to spread that season.
Flu (Influenza): Causes, Symptoms, Types & Treatment
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).
Influenza - Wikipedia
Influenza, commonly known as the 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 eight days. Diarrhea and vomiting can occur, particularly in ...
Influenza (seasonal) - World Health Organization (WHO)
WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.
Influenza | Definition, Symptoms, Treatment, & Prevention | Britannica
Influenza is an acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise. Seasonal influenza (the flu) is a major global health concern, causing annual epidemics with millions of severe cases and hundreds of thousands of deaths.
Flu (Influenza): Symptoms, Causes, Treatment, and More
The flu and the common cold may seem very similar at first (and overlap some with COVID-19!). Here’s what you need to know to correctly identify the flu and get the treatment you need.
Flu | Flu Symptoms | Stomach Flu | Influenza | MedlinePlus
The flu can cause serious illness in people over 65, babies, and people with certain chronic illnesses. The best way to prevent the flu is to get a vaccine.
Influenza - Johns Hopkins Medicine
Influenza Overview The flu is caused by a virus. Viruses are generally passed from person to person through the air when an infected person sneezes or coughs. But the virus can also live for a short time on objects like doorknobs, pens, pencils, keyboards, phones, and cups or eating utensils.
Influenza - Our World in Data
Seasonal flu is a contagious illness caused by the influenza virus. It kills an average of 700,000 people each year from respiratory disease or cardiovascular disease.1 In large pandemics, when new strains have evolved, the death toll has been much higher. Yet, data on the flu is limited. With better testing, countries could improve their response to flu epidemics. It could help to rapidly ...
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