![]() ![]() traces of preservatives to prevent contamination, such as formaldehyde and thimerosal (in safe quantities).chemicals that boost the body’s response to the vaccine, such as aluminum salts (in safe quantities).inactivated flu viruses that cannot cause flu.The specific ingredients vary between vaccines. The various ingredients in flu shots work together to ensure that the vaccine is safe and effective. The flu shot can cause symptoms similar to those of flu, such as a headache or nausea, but it cannot give the person flu. The body stores antibodies and can use them to fight off future flu infections.Īs a result, a person might be able to avoid flu completely after receiving the shot, or if they do catch flu, it is more likely to be a mild illness. These viruses activate the immune system to create proteins called antibodies. Does the flu shot cause flu?įlu shots contain killed, or inactivated, flu viruses. The following sections will look at various concerns that people have over the flu vaccine and the evidence behind them. During this time, hundreds of millions of people have safely received flu shots.Īccording to the CDC, getting the flu shot, or flu vaccine, is the single best way to prevent getting flu and spreading it to other people. Highlights of prescribing information: Fluzone Quadrivalent.Share on Pinterest Image credit: Sebastian Condrea/Getty Imagesįlu vaccines have a good safety record. Highlights of prescribing information: Flublok Quadrivalent. Comparison of side effects of the 2015-2016 high-dose, inactivated, trivalent influenza vaccine and standard dose, inactivated, trivalent influenza vaccine in adults ≥65 years. Kaka AS, Filice GA, Myllenbeck S, Nichol KL. Vaccine Information Statement: Live, Intranasal Influenza VIS. Comparative effectiveness of adjuvanted versus high-dose seasonal influenza vaccines for older adults: a systematic review and meta-analysis. The impact of pre-existing influenza antibodies and inflammatory status on the influenza vaccine responses in older adults. Immunogenicity of adjuvanted versus high-dose inactivated influenza vaccines in older adults: a randomized clinical trial. Cost-effectiveness of vaccination of older adults with an MF59®-adjuvanted quadrivalent influenza vaccine compared to standard-dose and high-dose vaccines in Denmark, Norway, and Sweden. Jacob J, Biering-Sørensen T, Holger Ehlers L, et al. Highlights of prescribing information: Fluad Quadrivalent. Recombinant influenza (flu) vaccine.Ĭenters for Disease Control and Prevention. Fluzone high-dose seasonal influenza vaccine.Ĭenters for Disease Control and Prevention. Advisory Committee on Immunization Practices (ACIP): GRADE: Higher dose and adjuvanted influenza vaccines for persons aged ≥65 years.Ĭenters for Disease Control and Prevention. Vaccinations and older adults.Ĭenters for Disease Control and Prevention. doi:10.1056/NEJMoa1315727Ĭenters for Disease Control and Prevention. Efficacy of high-dose versus standard-dose influenza vaccine in older adults. Frequently asked influenza (flu) questions: 2022-2023 season.ĭiazGranados CA, Dunning AJ, Kimmel M, et al. Centers for Disease Control and Prevention.
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