Higher-dose flu vaccines help protect older, vulnerable populations

(BPT) - The immune system is a complex and powerful network that protects the body from infection. Because the immune system weakens with age, older adults are at a higher risk for getting sick – and have more difficulty fighting off infection. Some illnesses, like the flu, may not be a health threat to most healthy adults but could be more dangerous to a person whose immune system has weakened with age.

Older adults represent the majority of flu-related hospitalizations and account for six times the number of deaths from flu-related complications – compared to other age groups combined. While many consider the flu to be a seasonable annoyance, the extent of the burden of influenza is underestimated and misunderstood. The Centers for Disease Control and Prevention (CDC) estimates that from 2010 to 2020, the flu resulted in 9 million to 41 million illnesses annually in the United States.

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