U.S. Gives $1.6B to Novavax to Deliver 100M Doses of Potential COVID-19 Vaccine by 2021U.S. Gives $1.6B to Novavax to Deliver 100M Doses of Potential COVID-19 Vaccine by 2021U.S. Gives $1.6B to Novavax to Deliver 100M Doses of Potential COVID-19 Vaccine by 2021