American Board of Internal Medicine (ABIM) Certification Practice Exam

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What age group is specifically approved for the standard-dose adjuvanted trivalent flu vaccine?

  1. Adults aged 50 years and older

  2. Adults aged 55 years and older

  3. Adults aged 60 years and older

  4. Adults aged 65 years and older

The correct answer is: Adults aged 65 years and older

The standard-dose adjuvanted trivalent flu vaccine is specifically approved for adults aged 65 years and older. This age group is particularly vulnerable to influenza and its complications due to age-related decline in immune function. The adjuvanted formulation enhances the immune response, providing better protection against the flu virus for this demographic. The approval is based on clinical trials and studies that demonstrated improved efficacy and safety in older adults when using the adjuvanted version compared to non-adjuvanted vaccines. Therefore, the recommendation for this vaccine in individuals aged 65 and older is consistent with the goal of enhancing protection for those at higher risk of severe illness due to influenza. The other age groups mentioned may be at risk but do not receive the same specific recommendation for the adjuvanted formulation, as research focused particularly on the immune response and effectiveness tailored for older adults aged 65 and above.