If what you’re doing isn’t working, you need to correct course — not double down on the same losing tactic. That’s been the case for some time with the U.S. efforts to contain Covid-19.
In the last couple of weeks, I’ve asked a number of experts what they know now that they wish they’d known in the spring, and where they think public health got things wrong. Two big trends emerged: lockdowns (too blunt) and testing (too slow). With months left to go before vaccination can curtail the pandemic, 2020’s regrets should be 2021’s lessons.
