Luciana Larocca, scientist member of the CONICET (National Scientific and Technical Research Council), and Santiago Webajh, scientist of the Pablo Cassara foundation, hold tests of the new “NEOKIT-COVID-19?, developed by a group of Argentine scientists that diagnoses the coronavirus disease (COVID-19) in less than two hours, in Buenos Aires, Argentina May 19, 2020. REUTERS/Agustin Marcarian