The failure of macrophages to produce antibodies.
D000906:Antibodies; D000941:Antigens; D006801:Humans; D008264:Macrophages; D012485:Salmonella typhi / Q000276:immunology*
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; MACROPHAGES; SALMONELLA TYPHOSA/immunology