The U.S. has bought nearly all COVID-19 drug remdesivir stocks from U.S. manufacturer Gilead. Tests show remdesivir speeds up recovery, though it is not a cure for COVID-19. The U.S.’ move ignited international outrage, as other countries also made contributions to development of the drug. In the race for a COVID-19 vaccine, Trump's 'America First' approach may further hinder global recovery efforts.