ScienceCOVID-19 Special: Hoarding vaccines while the world waitsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience08/24/2021August 24, 2021Millions of doses of COVID-19 vaccine are set to expire in the coming months. But instead of donating them directly to needy nations, contracts with pharma companies are tying western countries' hands.https://p.dw.com/p/3zRDhAdvertisement