Book excerpt: In this issue of Clinics in Laboratory Medicine, guest editors Drs. Daimon P. Simmons and Peter H. Schur bring their considerable expertise to the topic of Detection of SARS-CoV-2 Antibodies in Diagnosis and Treatment of COVID-19. Top experts in the field cover key topics such as performance of central lab assays to detect SARS-COV-2 antibodies; alternative methods to detect SARS-CoV-2 antibodies; the role of antibodies in developing vaccines for COVID-19; SARS-COV-2 antibodies after immunization; and more. - Contains 9 relevant, practice-oriented topics including disease-specific alterations in the cellular bases of the humoral immune response in COVID-19; coronavirus antigens as targets of antibody responses; approaches for SARS-CoV-2 antibody testing in a reference lab; use of IgM, IgA, and IgG in treatment and prognosis of patients with COVID-19; performance of lateral flow assays for COVID-19 serology; and more. - Provides in-depth clinical reviews on detection of SARS-CoV-2 antibodies in diagnosis and treatment of COVID-19, offering actionable insights for clinical practice. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.