Not discussed: - Cell mediated immunity (T cells) - Immunological memory - Mucosal (hence undetectable in the bloodstream) antibodies like IgA Antibodies ar

Not discussed: - Cell mediated immunity (T cells) - Immunological memory - Mucosal (hence undetectable in the bloodstream) antibodies like IgA Antibodies aren't the end of all. I really dislike that instead of "we don't know", people, including experts, put out absolutes that aren't such in their public communication.