Open access
Jul 2026
Salivary polyreactive and SARS-CoV-2-specific antibody responses following SARS-CoV-2 infection and vaccination in healthcare workers.
SARS-CoV-2 infection, but not vaccination, induces distinct changes in the salivary IgA compartment, including polyreactive antibodies, which may reflect repeated mucosal immune stimulation and is associated with greater symptom burden.
Mischa H. Koenen, Juana Claus, Myrthe E Reiche et al.
· Clinical Immunology · 0 citations