Binding and avidity signatures of polyclonal sera from individuals with different exposure histories to SARS-CoV-2 infection, vaccination, and Omicron breakthrough infections.
Gagandeep SinghAnass AbbadJohnstone TcheouDemodara Rao MenduAdolfo Firpo-BetancourtCharles GleasonKomal SrivastavaCarlos Cordon CardoViviana SimonFlorian KrammerJuan Manuel CarreñoPublished in: The Journal of infectious diseases (2023)
The magnitude and quality of the antibody response increased with the number of antigen exposures, including breakthrough infections. However, cross-reactivity of the antibody response after BA.1 breakthroughs, was impacted by the number of prior antigenic exposures.