Dual competition detection method and product

The invention relates to the field of immunodetection, in particular to a detection method adopting a dual competition mode, a component and application. The scheme provided by the invention can be used for neutralizing antibody detection, such as new coronavirus neutralizing antibody detection, and has higher sensitivity and/or detection rate, and especially, the detection result can cover more complete neutralizing antibodies. 本发明涉及免疫检测领域，具体涉及采用双重竞争模式的检测方法、组件及应用。本发明方案能够用于中和抗体检测，例如应用于新冠病毒中和抗体检测中，具有更高的灵敏度和/或检出率，尤其是检测结果能够覆盖更全的中和抗体。