The immune response to IN delivery of the SC2-spike DNA vaccine transported on a modified gold-chitosan nanocarrier displays a powerful and steady surge in antibodies (IgG, IgA, and IgM) and productive neutralization of pseudoviruses expressing S proteins of various SC2 variants (Wuhan, beta, and D614G). Immunophenotyping and histological analyses reveal https://nigelt099qiy9.oblogation.com/profile