1. Centers for Disease Control and Prevention. FluView Interactive. Available at: http://gis.cdc.gov/grasp/fluview/fluportaldashboard.html. Accessed October 2022.
2. Efficacy and effectiveness of influenza vaccines: a systematic review and meta-analysis;Osterholm;Lancet Infect Dis,2012
3. Sanofi.: FDA approves Fluzone® High-Dose Quadrivalent (Influenza Vaccine) for adults 65 years of age and older. Available at: https://www.news.sanofi.us/2019-11-04-FDA-approves-Fluzone-R-High-Dose-Quadrivalent-Influenza-Vaccine-for-adults-65-years-of-age-and-older [Accessed Oct 2022].
4. Efficacy and effectiveness of high-dose influenza vaccine in older adults by circulating strain and antigenic match: An updated systematic review and meta-analysis;Lee;Vaccine,2021
5. Advisory Committee on Immunization Practices.: Influenza Vaccines for Persons Aged ≥65 Years: Evidence to Recommendations (EtR) Framework. Available at: https://www.cdc.gov/vaccines/acip/meetings/downloads/slides-2022-06-22-23/03-influenza-grohskopf-508.pdf [Accessed Nov 2022]. 2022.