Britain joins growing chorus of countries furious with China's faulty coronavirus equipment Fox NewsHopes for at-home fingerprick coronavirus test dashed after accuracy is questioned NBC NewsUK Covid-19 antibody tests not ready until May at earliest The GuardianCoronavirus antibody test: what is it and how does it work? AS South AfricaSurprise: China Sells Huge Batch of Defective Coronavirus Tests to UK, Prompting Refund Demand TownhallView Full Coverage on Google News