NPR Coronavirus Updates U.S. Reaches $2.1 Billion Deal With Sanofi, GlaxoSmithKline For COVID-19 Vaccine Push By Sydney Lupkin Published July 31, 2020 at 10:02 AM MDT Facebook Twitter LinkedIn Email This is the sixth vaccine candidate to join Operation Warp Speed's portfolio, and the largest vaccine deal to date. Copyright 2020 NPR