Having the idea is only a very small part of putting it into a. It's also a question of making it actually usable. I'm an enormous fan of Adam Smith, but I'm happy to concede that many of his ideas came from other people or he certainly wasn't the first to develop them. But he developed them very well and he wrote very well. And he wrote clearly and with a little bit of humor.
When there's no vaccine on the market, people will look for other ways to be safe, including school closures and the handwashing of groceries. Listen as economist Casey Mulligan of the University Chicago talks with EconTalk's Russ Roberts about the costs of delaying a vaccine, the hidden costs of FDA regulation, and what we learned and failed to learn about the Covid pandemic.