ImmunologybioRxiv
Comprehensive analysis of nasal IgA antibodies induced by intranasal administration of the SARS-CoV-2 spike protein
K. Waki, H. Tani, E. Kawahara…·N. Kurosawa
This study shows that multimeric secretory IgA from nasal mucosa provides effective protection against SARS-CoV-2, even when monomeric IgA is non-neutralizing.
DOI 10.7554/elife.88387.3