mRNA vaccines and hybrid immunity use different B cell germlines to neutralize Omicron BA.4 and BA.5
E. Andreano, I. Paciello, G. Pierleoni…·R. Rappuoli
The paper compares neutralizing antibodies against Omicron BA.4 and BA.5 from mRNA-vaccinated individuals and those with hybrid immunity, finding differences in epitope targeting and B cell germlines used.