Qiangming Sun

A dimeric mRNA vaccine based on key-mutant and KP.3 RBDs induces broad-spectrum immunity and protects mice against JN.1 and XDV challenges

The continued antigenic evolution of SARS-CoV-2 Omicron subvariants has progressively eroded vaccine-elicited protective immunity, driving demand for next-generation candidates that confer broad-spectrum protection against phylogenetically divergent strains. Here we report the de...