COVID-19 Rapid Antibody Test Kit - Visual Guide & How It Works #3857106 (License: Personal Use)

This vector illustration depicts a typical lateral flow immunoassay for detecting SARS-CoV-2 antibodies (IgG and IgM) in blood or serum. The test cassette shows three labeled lines-C (control), IgG, and IgM-with red bands indicating positive results. Accompanying items include a sterile swab for sample collection and a capped tube containing liquid reagent or extracted sample.

Used on health education pages, telemedicine platforms, or public health advisories to explain at-home or point-of-care antibody testing procedures; targets users seeking to understand test components and result interpretation.