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Influenza, 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 eight days.
Jan 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.
Oct 11, 2022 · 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.
WHO fact sheet on influenza: includes key facts, definition, symptoms, transmission, seasonal epidemics, effects, prevention, WHO response.
Influenza merupakan penyakit yang disebabkan oleh virus influenza yang menjangkiti salur pernafasan. Ia boleh menyebabkan gejala jangkitan yang ringan mahupun serius. Dalam keadaan tertentu, ia boleh mengancam nyawa individu yang dijangkiti.Bagi negara-negara yang beriklim sederhana, kejadian wabak kerapkali berlaku semasa musim sejuk manakala bagi negara-negara tropika di sepanjang garisan ...
Key facts. Influenza (the flu) is a viral infection that causes symptoms like fever and chills, sneezing, coughing and a sore throat. The flu can be serious for some people, but if you are otherwise fit and healthy you usually don’t need to see a doctor.
Jul 20, 1998 · 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.
Jun 5, 2024 · Influenza Updates: Seasonal influenza activity remains low nationally. CDC continues to recommend vaccination as long as flu viruses are spreading.
Mar 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.
Jul 5, 2024 · Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. It is characterized by a sudden onset of fever, cough (usually dry), headache, muscle and joint pain, severe malaise (feeling unwell), sore throat and a runny nose. The cough can be severe and can last two or more weeks.
