6 month serologic response to the Pfizer-BioNTech COVID-19 vaccine among healthcare workers.
Jason ChamAmitabh C PandeyJacob NewTridu R HuynhLee HongNatalia OrendainEric J TopolLaura J NicholsonPublished in: PloS one (2022)
Multiplex results demonstrate that, contrary to natural infection, immunization with BNT162b2 produces minimal anti-Spike IgM response. Polyclonal IgG response to Spike declined at 3 months and continued to do so up to 6 months.