The Cost-Benefit Analysis of Vaccine Production

Jeff Smith: If we look at how many doses, now these vaccines have been available almost a year, if we look around the world and look at what proportion of the world's population is vaccinated, I have to imagine it's a tiny fraction. He says that in various ways, we as a globe, we definitely under-supplied vaccines compared to what we could have done. "We're so much further behind the curve in terms of supply," he adds.