What Are The Ingredients In The Flu Shot For 2020-2021?
2020-2021 Flu Vaccine Recommendations | American Academy Of Pediatrics (Aap)
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What Is The Current Flu Vaccine Made Of?
The composition of the current influenza (flu) vaccine can be better understood by exploring the term “cell-based,” which describes the manufacturing process. Traditionally, most inactivated flu vaccines have been produced by cultivating flu viruses in hen’s eggs. However, a notable advancement in vaccine production involves cell-based methods. In cell-based vaccines, the flu viruses are grown in cultured cells derived from mammals rather than in chicken eggs. This innovative approach helps ensure vaccine availability and effectiveness. As of August 25, 2023, this method represents a significant milestone in vaccine production.
What Is The Difference Between The Regular Flu Shot And The Senior Flu Shot?
What distinguishes the senior flu shot from the regular flu shot is the amount of flu virus antigen it contains. The senior flu shot is designed specifically for older individuals and contains four times the amount of flu virus antigen found in the regular flu shot. This increased antigen content serves to enhance the immune response in seniors, as their immune systems tend to weaken with age, making them more vulnerable to the flu. By providing a stronger stimulus to the immune system, the senior flu shot aims to better protect older adults from the influenza virus.
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‘Cell-based’ refers to how the influenza (flu) vaccine is made. Most inactivated flu vaccines are produced by growing flu viruses in eggs. The flu viruses used in the cell-based vaccines are grown in cultured cells of mammalian origin instead of in hen’s eggs.The senior flu shot contains four times as much flu virus antigen, which stimulates a boosted immune response, compared to the regular flu shot.The other ingredients are sucrose, dipotassium phosphate, potassium dihydrogen phosphate, gelatin (porcine, Type A), arginine hydrochloride, monosodium glutamate monohydrate and water for injections.
- Egg protein. Many flu vaccines are made by growing the viruses inside fertilized chicken eggs. …
- Preservatives. Vaccine manufacturers add the preservative thimerosal to multidose vaccine vials. …
- Stabilizers. …
- Antibiotics. …
- Polysorbate 80. …
- Formaldehyde.
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