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How effective is the flu shot for older people?

Flu shot effectiveness for older people varies by year, depending on how well the vaccine matches the virus that circulates that season. Studies have estimated the effectiveness at preventing hospital stays in people over 50 to be anywhere from 12 percent to 87 percent. The high-dose and adjuvant types of flu shots have been proven even more effective than regular flu shots for seniors.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.