Tear antibodies to SARS-CoV-2: implications for transmission.
Kevin J SelvaSamantha K DavisEbene R HaycroftWen Shi LeeEster LopezArnold ReynaldiMiles P DavenportHelen E KentJennifer J JunoAmy W ChungStephen J KentPublished in: Clinical & translational immunology (2021)
Both infection and vaccination induce SARS-CoV-2-specific IgG antibodies in tears. RBD-specific IgG antibodies in tears were induced by vaccination but were not present 7 months post-infection. This suggests the neutralising antibodies may be low in the tears late following infection.