Persons over age 65 need a special high-dose influenza vaccine because more inactivated viruses are needed to adequately stimulate the weaker immune system in patients of this age.

Question

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As the immune system weakens with age, more inactivated viruses are needed to adequately stimulate the immune response and provide protection against influenza. Therefore, persons over age 65 need a special high-dose influenza vaccine with four times the amount of antigens as the standard vaccine.

Persons Over Age 65 Need a Special High-Dose Influenza Vaccine