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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.
3 Οκτ 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.
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.
1 ημέρα πριν · Influenza, acute viral infection of the upper or lower respiratory tract, marked by fever, chills, and a generalized feeling of malaise. Influenza is caused by viruses in the family Orthomyxoviridae. Learn more about the classification of influenza viruses, influenza outbreaks, and influenza symptoms and treatment.
27 Νοε 2009 · Influenza is an acute viral infection that primarily attacks the upper respiratory tract, including the nose, throat, bronchi and, less frequently, the lungs. The disease occurs worldwide and spreads very quickly in populations, especially in crowded circumstances.
Also known as the flu, influenza is a contagious illness in the respiratory tract that infects the nose and throat and can move into the lungs. It is caused by influenza viruses, which cause illness that ranges from mild to severe. In the worst cases, influenza can lead to death. Annual vaccination is the best way to avoid the flu. 1.
13 Αυγ 2024 · Flu is a contagious respiratory illness caused by influenza viruses. Flu can cause mild to severe illness. Most experts believe that flu viruses spread mainly by tiny droplets made when people with flu cough, sneeze, or talk. The first and most important step in preventing flu is to get a flu vaccine each year. More Information.
