Currently licensed COVID-19 vaccines are based on antigen sequences of early SARS-CoV-2 isolates, despite the prevalence of variants of concerns escaping vaccine-mediated protection. Using their updated yellow fever 17D vectored candidate, here, authors assess neutralising antibody responses against variants of concern, and demonstrate protection and reduced transmission in a hamster model.
- Sapna Sharma
- Thomas Vercruysse
- Kai Dallmeier