Nanoparticle-based lateral flow immunoassay for the detection of anti-SARS-CoV-2 neutralizing antibodies

The rapid global outbreak of a novel coronavirus, namely, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), caused the coronavirus disease 2019 (COVID-19) pandemic, which has claimed more than 6.4 million lives worldwide. Scientists have worked relentlessly and developed vaccines, several of which have received emergency use authorization from global regulatory bodies, such as the U.S Food and Drug Administration (FDA). Subsequently, vaccination programs commenced in most regions of the world.