The purpose of each ingredient is either to make the vaccine effective or ensure that it is safe. Many vaccines for the flu and other viral infections contain similar ingredients.
Share on Pinterest Image credit: lechatnoir/Getty Images This article looks at the various ingredients that flu shots contain, their function, and the safety of the vaccines. In light of the ongoing COVID-19 pandemic, reducing the spread of respiratory illnesses, including the flu, is more important than ever. Nasal spray vaccines are approved for people aged 2–49 only. A nasal spray: In this case, it contains live viruses that have been weakened, and are therefore not harmful.An injection: In this case, it usually contains tiny amounts of deactivated, and therefore not harmful, flu viruses.The CDC confirm that getting the vaccine is the best way to avoid getting the flu and spreading it to other people.ĭifferent flu vaccines have slightly different ingredients. The Centers for Disease Control and Prevention (CDC) recommend that everyone 6 months of age and older, with a few exceptions, have a flu vaccine every year.
#Flu shot update#
To ensure the flu vaccine remains effective, researchers and manufacturers work together to update the vaccine every year. The viruses that cause the flu, known as influenza viruses, are constantly changing. The specific ingredients vary slightly among vaccines. Flu shots contain various ingredients that together ensure that the vaccine is safe and effective.
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