WHO Chief Warns 'There Might Never Be' A Silver Bullet For Coronavirus : Coronavirus Live Updates : NPR

WHO Chief Warns 'There Might Never Be' A Silver Bullet For Coronavirus : Coronavirus Live Updates : NPR: Vaccine candidates are in advanced clinical trials, and WHO's director-general expresses hope they will be effective. But until then, he said, the world is reliant on "the basics" of disease control.