SARS-CoV-2 Antibodies Are Persisting in Saliva for More Than 15 Months After Infection and Become Strongly Boosted After Vaccination.

Although, these concentrations were remarkably lower to those reached by volunteers positive for IgG prior to vaccination (3.3 fold for plasma IgG and 4.6 fold for salivary IgG), this difference did not reach statistical significance (p = 0.21 and p = 0.10 for plasma and saliva, respectively).

also in 111,027 other papers