The immune response to IN delivery of the SC2-spike DNA vaccine transported on the modified gold-chitosan nanocarrier displays a solid and consistent surge in antibodies (IgG, IgA, and IgM) and successful neutralization of pseudoviruses expressing S proteins of different SC2 variants (Wuhan, beta, and D614G). Immunophenotyping and histological analyses reveal https://orlandok655gxp6.wikitidings.com/user