Francis Collins testifies on a Coronavirus Vaccine on Capitol Hill

Dr. Francis Collins, Director of the National Institutes of Health (NIH), holds up a model of COVID-19, known as coronavirus, during a US Senate Appropriations subcommittee hearing on the plan to research, manufacture and distribute a coronavirus vaccine, known as Operation Warp Speed, on Capitol Hill in Washington, DC, on Thursday, July 2, 2020. Pool Photo by Saul Loeb/UPI