![]() If the reaction is severe, go to the emergency room. If you experience these symptoms after getting the flu vaccine, see your doctor. If you have a negative reaction to the vaccine, symptoms usually occur within minutes to hours after receiving the vaccine. Some people may have a negative reaction to the flu shot. When there’s not a good match between the selected strains and the strains that actually end up circulating during flu season, the vaccine isn’t as effective. During this time, you can still get catch the flu.Īnother reason why you can still catch the flu is if there wasn’t a good “vaccine match.” Researchers need to decide which strains to include in the vaccine many months before flu season actually starts. ![]() It takes around 2 weeks after receiving the vaccination for your body to develop immunity. Sometimes you can get the flu shot and still come down with the flu. What are the risks of the flu vaccine? 1. This is called herd immunity and is very important. This includes those who are too young to get vaccinated. When you protect yourself from the flu through vaccination, you’re also protecting those who can’t get vaccinated from catching the flu. people with chronic conditions, such as diabetes, chronic lung disease, and cardiovascular disease.Influenza vaccination has been shown to lead to a lower risk of influenza-related complications or hospitalizations in some groups. Lower risk of hospitalizations or complications for certain people If you do get sick with the flu, your symptoms may be milder if you got the vaccination. It’s still possible to get the flu after vaccination. Flu preventionĪccording to the Centers for Disease Control and Prevention (CDC), receiving the influenza vaccine is the most effective way to prevent yourself from becoming sick with the flu. What are the benefits of the flu vaccine? 1.
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