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      • The flu vaccine can lower the risk of getting the flu. It also can lower the risk of having serious illness from the flu and needing to stay in the hospital or dying of the flu. This year's seasonal flu vaccines each provide protection against three influenza viruses that researchers expect to be most common this flu season.
      www.mayoclinic.org/diseases-conditions/flu/in-depth/flu-shots/art-20048000
  1. Influenza is caused by viruses. These viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks. You can inhale the droplets directly. Or you can pick up the virus from touching an object, such as a computer keyboard, and then touching your eyes, nose or mouth.

  2. To diagnose the flu, also called influenza, your healthcare professional does a physical exam, looks for symptoms of flu and possibly orders a test that detects flu viruses. The viruses that cause flu spread at high levels during certain times of the year in the Northern and Southern hemispheres.

  3. Call your healthcare professional if you think you have the flu and you or someone you're caring for is at high risk of serious flu illness, or flu-related complications. Unlike a cold, the flu tends to come on suddenly and makes you feel much worse than a cold.

  4. Nov 1, 2021 · Flu is a general term for seasonal influenza, which is a viral infection that attacks your respiratory system. Symptoms often come on suddenly and may seem like a cold at first, with a runny nose or congestion, sneezing and sore throat.

  5. Oct 16, 2024 · COVID-19 is caused by infection with a coronavirus (SARS-CoV-2), and flu is caused by infection with an influenza virus. The best way to protect yourself from either of these illnesses is to get vaccinated. Updated vaccines for both influenza and COVID-19 are now available. In this Q&A, Dr. Robert Jacobson, medical director for Mayo Clinic's ...

  6. Nov 17, 2020 · How does the flu affect people? If you are young and healthy, the flu usually is self-limiting, meaning it will resolve with supportive care. However, high-risk people can develop serious complications from the flu — most notably, pneumonia — which can lead to respiratory failure and death. People in the high-risk category include: Young ...

  7. Oct 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 have an underlying health condition or are pregnant.

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