AdvertisementU.S. Reaches $2.1 Billion Deal With Sanofi, GlaxoSmithKline For COVID-19 Vaccine PushJuly 31, 2020Sydney LupkinfacebookEmailDirector of the National Institutes of Health, Dr. Francis Collins, holds a model of the coronavirus. This is the sixth vaccine candidate to join Operation Warp Speed's portfolio, and the largest vaccine deal to date. (Pool/AFP via Getty Images)
