A laboratory worker places a test tube containing a patient's sample into a box during coronavirus detection tests in the virology research labs at UZ Leuven university hospital in Leuven, Belgium, on Friday, Feb. 28, 2020. China has kick-started a clinical trial to speedily test a drug for the novel coronavirus infection as the nation rushes therapies for those afflicted and scours for vaccines to protect the rest. Photographer: Geert Vanden Wijngaert/Bloomberg via Getty Images
