Relative Effectiveness and Public Health Impact of Cell-Based Versus Egg-Based Quadrivalent Influenza Vaccines Across Paediatric Populations During the 2023–24 Influenza Season in the United States

Alicia N. Stein, CSL Seqirus, Melbourne, Victoria, Australia; Anusorn Thanataveerat, Veradigm, Elmhurst, NY, United States; Kimberly McDermott, Veradigm, Hingham, MA, United States; Alex Dean, Veradigm, San Francisco, CA, United States; Stephanie Wall, Veradigm, Chicago, IL, United States; Cory Pack, Veradigm, Santa Barbara, CA, United States; Ian McGovern, CSL Seqirus, Quincy, MA, United States; Sheena Sullivan, Monash University, Melbourne, Victoria, Australia; Mendel Haag, CSL Seqirus, Amsterdam, Noord-Holland, Netherlands