Boikos C, Fischer L, O'Brien D, Vasey J, et al. Relative Effectiveness of the Cell-Derived Inactivated Quadrivalent Influenza
Vaccine Versus Egg-Derived Inactivated Quadrivalent Influenza Vaccines in
Preventing Influenza-Related Medical Encounters During the 2018-2019 Influenza
Season in the United Clin Infect Dis 2021 Jan 5. pii: 6064642. doi: 10.1093/cid/ciaa1944.
PMID: 33400775