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What is the relative effectiveness of enhanced influenza vaccines in older adults?

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Summary

This research will determine which influenza vaccines are most effective. Predictors of (and disparities in) receiving adjuvanted, high-dose, and standard-dose influenza vaccines among Ontario adults aged 65+ years during 4 post-COVID-19-pandemic influenza seasons (2021-22 to 2024-25) will be identified. The effectiveness of adjuvanted, high-dose influenza will then be compared with standard-dose influenza vaccines.

Knowledge User

Office of the Chief Medical Officer of Health

Information

Project ID

2024-028/ 2025 0950 179 000

Contributing ICES Scientists

Type of Response

Seniors eligible for OSDCP 2025