Indispensable to routine and esoteric clinical diagnostics, immunoassays are featured alongside clinical chemistry in highly automated integrated chemistry stations through manually intensive, wet enzyme immunoassay (EIA) plates for specialty infectious disease and autoimmune testing. Immunoassays are also used throughout the world for serological screening of donated blood and plasma. Recent reports from Kalorama Information offer market insights into immunoassay applications for autoimmune, infectious disease, and blood bank testing worldwide.