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4. Centers for Disease Control and Prevention. Influenza (Flu) - Coverage by Season. Available at: https://www.cdc.gov/flu/fluvaxview/coverage-by-season.htm. Accessed August 19, 2022.
5. Centers for Disease Control and Prevention. Weekly Flu Vaccination Dashboard - Data Summary for the 2021-22 Flu Season. Available at: https://www.cdc.gov/flu/fluvaxview/dashboard/vaccination-dashboard.html. Accessed 9/7/2022.