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Influenza VaccineInfluenza vaccine can prevent influenza (seasonal flu). Flu is a contagious disease that spreads around the world every year, usually between October and May. Anyone can get the flu, but it is more dangerous for some people. Infants and young children, people 65 years of age and older, pregnant women, and people with certain health conditions or a weakened immune system are at greatest risk of flu complications.
Flu can cause fever and chills, sore throat, muscle aches, fatigue, cough, headache, and runny or stuffy nose. Some people may have vomiting and diarrhea, though this is more common in children than adults.
The single best way to protect against flu is to get vaccinated each year. Influenza is a potentially serious disease that can lead to hospitalization and sometimes even death. Every flu season is different, and influenza infection can affect people differently, so it is recommended to have flu vaccine as early as possible before the flu season arrives each year.
However, vaccination may cause some minor side effects, such as pain or swelling at the injection site, mild fever or malaise. These side effects are usually temporary and do not cause serious health problems. Nevertheless, if you have a specific allergic reaction to the vaccine or other serious health problems, please discuss this in detail with your doctor before vaccination.
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