Distinguish between thymus-independent and thymus-dependent antigens.
Thymus-independent: lack a peptide component and thus cannot be presented by MHC to T cells, stimulate release of IgM antibodies only and do not result in immunologic memory; thymus dependent: contain a protein component and thus induce class-switching and immunologic memory
Name the 3 macrophage acute phase cytokines.
IL-1, IL-6, TNF-α
Describe the use of recombinant α-, β-, and γ-interferon.