Mucosal Antibody Response to SARS-CoV-2 in Paediatric and Adult Patients: A Longitudinal Study.
Renee Wan Yi ChanKate Ching-Ching ChanGrace C Y LuiJoseph G S TsunKathy Y Y ChanJasmine S K YipShaojun LiuMichelle W L YuRita W Y NgKelvin Kam-Lung ChongMaggie H WangPaul Kay Sheung ChanAlbert M LiHugh Simon LamPublished in: Pathogens (Basel, Switzerland) (2022)
Early and intense nasal S1-specific IgA levels link to a rapid decrease in viral load. Our results provide insights into the role of mucosal immunity in SARS-CoV-2 exposure and protection. There may be a role of NELF IgA in the screening and diagnosis of SARS-CoV-2 infection.