https://www.pharmacymagazine.co.uk/news/609431-stop-selling-antibody-tests-for-home-use-companies-told
Stop selling Covid antibody test kits, companies asked
Companies providing Covid-19 antibody testing services involving fingerprick blood samples have been asked to put the service on hold.
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https://www.jagoroniya.com/health/10825/Covid-antibody-test-a-positive-development
Covid antibody test a 'positive development'
A test to find out whether people have been infected with coronavirus[...]...
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https://www.fiapoct.com/sale-14077405-covid-19-igm-igg-antibody-rapid-test-kit-colloidal-gold-assay-nucleic-acid-extractor.html
COVID-19 IgM IgG Antibody Rapid Test Kit Colloidal Gold Assay Nucleic Acid Extractor
High quality COVID-19 IgM IgG Antibody Rapid Test Kit Colloidal Gold Assay Nucleic Acid Extractor from China, China's leading IGM IGG Rapid Test Kit product,...