Heterologous inactivated virus/mRNA vaccination response to BF.7, BQ.1.1, and XBB.1

The emergence of highly immune-escape Omicron variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), such as BQ and XBB, has led to concerns about the efficacy of vaccines. Using lentivirus-based pseudovirus neutralizing assay, we showed that heterologous vaccination involving parental mRNA vaccine as a booster or second booster... Show more