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. 2021 Jul 23;8:682405. doi: 10.3389/fmolb.2021.682405

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Copyright © 2021 Gong, Wei, Li, Liu and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Schematic of the lateral flow immunoassay for testing anti-SARS-COV-2 antibodies (Li, Yi et al., 2020). (1) Sample pad, (2) conjugate release pad, (3) membrane with immobilized antibodies, (4) adsorbent pad, and (5) adhesive pad.