Infectious Risks in Asplenia and Deficiencies in Humoral Immunity and Complement - Venn Diagram Humoral Immunity: • B cells, Plasma Cells, Antibodies Spleen: • Storage of macrophages (destruction of opsonized bacteria) • Storage of T and B cells Complement: • Classical (mediated by antibodies) pathway • Mannose-binding Lectin pathway • Alternative pathway ID Chalk Talks by Eva Amenta, MD @EvaAmenta and Prathit A. Kulkarni, MD @PrathitKulkarni #complement #Asplenia #humoral #immunity #immunocompromised #infections #differential #diagnosis #venn #diagram