Center for Prevention Services

Memory B Cell Repertoire of a Repeatedly Vaccinated Individual Includes Influenza Hemagglutinin-Specific Cross-Group Binders with Affinity Beyond A(H1N1)pdm09 and A(H3N2) Seasonal Strains

Background/Objectives: Humans are primarily infected by two distinct seasonal influenza A virus (IAV) subtypes, A(H1N1)pdm09 and A(H3N2). Because IAV mutates rapidly, it continuously escapes existing protective antibodies. However, repeated exposure to these evolving strains incr...