Logical Biological is an ISO9001:2015 certified company based in the UK. We are suppliers of human plasma & serum in bulk volumes or as small clinical samples from diseased and healthy patients, directly collected from donor centres and blood banks around the globe. We are IVD industry specialists who strive to understand exactly what you need & be 100% reliable in delivering it. We can provide SARS-CoV-2 (COVID-19), Influenza A & B, Coronavirus OC43 / 229E / HKU1 / NL63 in Swabs, Serum, Plasma and Saliva.