Influenza (flu) - Symptoms and causes - Mayo Clinic
WEBJan 10, 2024 · 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 is commonly called the flu, but it's different from the stomach "flu" viruses that cause diarrhea and vomiting.
Flu (Influenza): Causes, Symptoms, Types & Treatment - Cleveland Clinic
WEBOct 11, 2022 · The flu is a common respiratory illness you get from the influenza virus. Symptoms often include fever, head and body aches, coughing and a stuffy or runny nose. You’re at risk for serious complications if you …
Influenza (Flu) | CDC - Centers for Disease Control and Prevention
WEBEverything you need to know about flu viruses and flu illness, including symptoms, treatment and prevention.
Key Facts About Influenza (Flu) | CDC
WEBMar 22, 2024 · Español | Other Languages. On This Page. What is Influenza (Flu)? 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. Flu Symptoms.
Influenza - Wikipedia
WEBInfluenza, 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.
Flu Symptoms & Complications | CDC
WEBOct 3, 2022 · What is influenza (flu)? When is flu season? What is the treatment? Flu complications. What are emergency warning signs of flu sickness? Flu Symptoms. Flu can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly. People who have flu often feel some or all of these signs and symptoms:
Flu Symptoms: Common Signs, Treatments, and Complications - WebMD
WEBAug 29, 2024 · Influenza, aka the flu, is a highly contagious virus that infects your nose, throat, and sometimes your lungs. You can get sick by being around someone with the flu when they cough, sneeze, or...
What Is the Flu? Difference Between Flu, Stomach Flu, Cold, and ... - WebMD
WEBMar 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. The flu virus...
Influenza (Seasonal) - World Health Organization (WHO)
WEBOct 3, 2023 · Key facts. There are around a billion cases of seasonal influenza annually, including 3–5 million cases of severe illness. It causes 290 000 to 650 000 respiratory deaths annually. Ninety-nine percent of deaths in children under 5 years of age with influenza-related lower respiratory tract infections are in developing countries.
Flu Stages: A Day-by-Day Guide to How Long Flu Lasts - Verywell …
WEB4 days ago · Flu symptoms tend to develop one to two days after exposure to the virus and last for five to seven days. Day 1 to day 3 is characterized by the abrupt onset and worsening of symptoms. Day 5 to day 6 is when most people start to feel notably better.
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