FLUAD® Influenza vaccine (surface antigen, inactivated, adjuvanted with MF59®) is now preferentially recommended by the National Advisory Committee on Immunization for adults 65 years of age and older.
December 21, 2023 – CSL Seqirus commends the National Advisory Committee on Immunization’s (NACI’s) recent recommendation for adults 65 years of age and older to preferentially receive an enhanced influenza vaccine, which includes adjuvanted, high-dose and recombinant vaccines. This recommendation is based on data from studies that show that all approved enhanced influenza vaccines are effective in reducing the risk of influenza-related hospitalization and medical encounters.
NACI summarizes that each enhanced influenza vaccine has increased vaccine efficacy and effectiveness compared to standard-dose vaccines, and all enhanced influenza vaccines are considered equally effective and safe. NACI’s recommendation to include an enhanced influenza vaccine, such as FLUAD®, was made for both individual- and public health program-level decision making.
NACI’s recent statement adds to a growing number of international recommendations regarding the effectiveness of enhanced influenza vaccines for adults 65 years of age and older. In July 2022, the U.S. Centers for Disease Control and Prevention's (CDC) Advisory Committee on Immunization Practices (ACIP) also recommended adults 65 years of age and older to preferentially receive an enhanced influenza vaccine, including adjuvanted and high dose vaccines.i
Influenza causes an average of 12,200 hospitalizations and approximately 3,500 deaths each year in Canada, with the majority occurring in adults over 65 years of age.ii Canadians over 65 years of age accounted for 76% of the reported influenza-associated deaths during the 2022/23 flu season.iii Older adults are at greater risk due to immunosenescence, the age-associated decline of the immune system, and may result in a reduced immune response to antigens in the vaccine.iv Influenza A has been associated with the most severe disease in seniors. During the 2021/2022 and 2022/2023 seasons, Influenza A caused 98 to 100% of disease in the 65 years and older adults.iii
“The 2022/23 influenza season was especially challenging for Canadians and added to the already significant strain being experienced by our healthcare systems,” said Bertrand Roy, Ph.D., Country Head Medical Affairs Canada at CSL Seqirus. “We are pleased that NACI’s thorough review and recommendation will help immunizers optimize the delivery of annual influenza immunizations to help mitigate other potentially difficult flu seasons.”
NACI is a national advisory committee of experts in the fields of pediatrics, infectious diseases, immunology, pharmacy, nursing, epidemiology, pharmacoeconomics, social science and public health. NACI makes recommendations for the use of vaccines currently or newly approved for use in humans in Canada, including the identification of groups at risk for vaccine-preventable diseases for whom vaccination should be targeted.
About CSL Seqirus
CSL Seqirus is part of CSL (ASX:CSL). As one of the largest influenza vaccine providers in the world, CSL Seqirus is a major contributor to the prevention of influenza globally and a transcontinental partner in pandemic preparedness. With state-of-the-art production facilities in the U.S., the U.K. and Australia, CSL Seqirus utilizes egg, cell and adjuvant technologies to offer a broad portfolio of differentiated influenza vaccines in more than 20 countries around the world.
For more information about CSL Seqirus, visit CSL.com.
CSL (ASX:CSL; USOTC:CSLLY) is a global biotechnology company with a dynamic portfolio of lifesaving medicines, including those that treat haemophilia and immune deficiencies, vaccines to prevent influenza, and therapies in iron deficiency and nephrology. Since our start in 1916, we have been driven by our promise to save lives using the latest technologies. Today, CSL – including our three businesses: CSL Behring, CSL Seqirus and CSL Vifor – provides lifesaving products to patients in more than 100 countries and employs 32,000 people. Our unique combination of commercial strength, R&D focus and operational excellence enables us to identify, develop and deliver innovations so our patients can live life to the fullest. For inspiring stories about the promise of biotechnology, visit CSL.com/Vita and follow us on Twitter.com/CSL.
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i CDC. Advisory Committee on Immunization Practices (ACIP). General Committee Information. Retrieved June 28, 2022 from https://www.cdc.gov/vaccines/acip/committee/index.html
ii Government of Canada. (2020). Canadian Immunization Guide Chapter on Influenza and Statement on Seasonal Influenza Vaccine for 2020–2021. Retrieved from: https://www.canada.ca/en/public-health/services/publications/vaccines-immunization/canadian-immunization- guide-statement-seasonal-influenza-vaccine-2020-2021.html. Accessed November 2020.
iii Government of Canada. Fluwatch report: July 23 to August 26, 2023 (weeks 30-34). Retrieved from: https://www.canada.ca/en/public-health/services/publications/diseases-conditions/fluwatch/2022-2023/weeks-30-34-july-23-august-26-2023.html
iv Frey SE, Aplasca-De Los Reyes MR, Reynales H, et al. (2014). Comparison of the safety and immunogenicity of an MF59®-adjuvanted with a non-adjuvanted seasonal influenza vaccine in elderly subjects. Vaccine. 2014;32:5027-5034.