Abingdon Health Plc, a technology-enabled lateral flow diagnostics company, develops, manufactures, and markets medical diagnostics worldwide. The company offers AbC-19 Rapid Test, a COVID-19 neutralizing antibody test; nucleic acid lateral flow immunoassays; and Seralite, a rapid lateral flow test for the quantitative measurement of kappa and lambda immunoglobulin free light chains in serum. It also provides lateral flow development, manufacturing, and reader customization services. The company was founded in 2008 and is headquartered in York, the United Kingdom.