Support WBUROn Amazon, Dubious 'Antiviral' Supplements Proliferate Amid PandemicPlay04:03Download AudioTom DreisbachJuly 27, 2020 ShareAmazon has called safety a "top priority" for the company. But NPR has found more than 100 dietary supplements sold on Amazon that appear to be illegally marketed as antiviral treatments. (AFP via Getty Images)