Bivalent mRNA booster encoding virus-like particles elicits potent polyclass receptor-binding domain antibodies in pre-vaccinated mice. - Fan C; Cohen AA; Dam KA; Rorick AV; Priso Fils AI; Yang Z; Gnanapragasam PNP; Segovia LN; Huey-Tubman KE; Moon WJ; Lin PJC; Bjorkman PJ; et al. (ELife, 2026)