Baglivo F, Magri M, De Angelis L, Aprile V, et al. Performance comparison between heterologous and homologous COVID19 vaccine
schedules on Omicron variant incidence: A real-world retrospective cohort study
in Southern Italy. Vaccine 2023 Aug 9:S0264-410X(23)00886-1. doi: 10.1016/j.vaccine.2023.
PMID: 37567798